./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:29:01,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:29:01,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:29:01,820 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:29:01,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:29:01,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:29:01,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:29:01,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:29:01,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:29:01,839 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:29:01,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:29:01,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:29:01,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:29:01,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:29:01,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:29:01,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:29:01,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:29:01,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:29:01,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:29:01,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:29:01,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:29:01,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:29:01,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:29:01,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:29:01,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:29:01,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:29:01,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:29:01,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:29:01,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:29:01,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:29:01,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:29:01,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:29:01,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:29:01,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:29:01,887 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:29:01,888 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:29:01,889 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:29:01,889 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:29:01,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:29:01,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:29:01,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:29:01,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:29:01,933 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:29:01,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:29:01,935 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:29:01,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:29:01,936 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:29:01,936 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:29:01,936 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:29:01,937 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:29:01,937 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:29:01,937 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:29:01,937 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:29:01,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:29:01,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:29:01,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:29:01,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:29:01,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:29:01,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:29:01,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:29:01,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:29:01,940 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:29:01,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:29:01,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:29:01,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:29:01,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:29:01,941 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:29:01,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:29:01,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:29:01,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:29:01,942 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:29:01,943 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:29:01,944 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 835dc6725bef5f7d15ae0e4368f1a97f9d2b8c09 [2020-07-29 01:29:02,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:29:02,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:29:02,251 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:29:02,253 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:29:02,253 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:29:02,254 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2020-07-29 01:29:02,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61cab797/14ce44203aec448396d8f29a23b8547d/FLAG93c5bdfa1 [2020-07-29 01:29:02,697 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:29:02,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/UrbanMine-ESOP2014-Fig3.c [2020-07-29 01:29:02,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61cab797/14ce44203aec448396d8f29a23b8547d/FLAG93c5bdfa1 [2020-07-29 01:29:03,125 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d61cab797/14ce44203aec448396d8f29a23b8547d [2020-07-29 01:29:03,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:29:03,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:29:03,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:03,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:29:03,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:29:03,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685b4014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03, skipping insertion in model container [2020-07-29 01:29:03,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:29:03,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:29:03,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:03,343 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:29:03,361 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:03,376 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:29:03,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03 WrapperNode [2020-07-29 01:29:03,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:03,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:03,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:29:03,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:29:03,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,395 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:03,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:29:03,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:29:03,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:29:03,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... [2020-07-29 01:29:03,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:29:03,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:29:03,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:29:03,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:29:03,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:29:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:29:03,838 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:29:03,838 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:29:03,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:03 BoogieIcfgContainer [2020-07-29 01:29:03,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:29:03,842 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:29:03,842 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:29:03,846 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:29:03,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:03,849 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:29:03" (1/3) ... [2020-07-29 01:29:03,851 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bc6e6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:03, skipping insertion in model container [2020-07-29 01:29:03,851 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:03,851 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:03" (2/3) ... [2020-07-29 01:29:03,852 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3bc6e6ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:03, skipping insertion in model container [2020-07-29 01:29:03,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:03,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:03" (3/3) ... [2020-07-29 01:29:03,854 INFO L371 chiAutomizerObserver]: Analyzing ICFG UrbanMine-ESOP2014-Fig3.c [2020-07-29 01:29:03,909 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:29:03,909 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:29:03,909 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:29:03,909 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:29:03,909 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:29:03,910 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:29:03,910 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:29:03,910 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:29:03,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:29:04,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:29:04,022 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:04,025 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:04,042 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:04,042 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:04,042 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:29:04,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:29:04,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:29:04,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:04,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:04,048 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:04,048 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:04,058 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L27-2true [2020-07-29 01:29:04,059 INFO L796 eck$LassoCheckResult]: Loop: 10#L27-2true assume !!(0 != main_~x~0 && main_~y~0 > 0); 7#L19true assume !(main_~x~0 > 0); 5#L27true assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0; 10#L27-2true [2020-07-29 01:29:04,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:04,067 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:29:04,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:04,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685779982] [2020-07-29 01:29:04,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:04,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:04,174 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:04,191 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:04,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:04,193 INFO L82 PathProgramCache]: Analyzing trace with hash 40076, now seen corresponding path program 1 times [2020-07-29 01:29:04,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:04,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076084966] [2020-07-29 01:29:04,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:04,204 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:04,209 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:04,212 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:04,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:04,214 INFO L82 PathProgramCache]: Analyzing trace with hash 963597, now seen corresponding path program 1 times [2020-07-29 01:29:04,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:04,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229063762] [2020-07-29 01:29:04,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:04,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:04,232 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:04,234 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:04,342 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:04,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:04,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:04,344 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:04,344 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:04,344 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,344 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:04,344 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:04,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration1_Loop [2020-07-29 01:29:04,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:04,345 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:04,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,614 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:04,615 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:04,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:04,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:04,635 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:04,678 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:04,679 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,685 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:04,685 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:04,726 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:04,726 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,731 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:04,731 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:04,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:04,770 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:04,777 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=7} Honda state: {ULTIMATE.start_main_#t~nondet4=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:04,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:04,814 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:04,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:04,855 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,893 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:04,896 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:04,896 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:04,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:04,897 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:04,897 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:04,897 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:04,897 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:04,897 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:04,898 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration1_Loop [2020-07-29 01:29:04,898 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:04,898 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:04,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:04,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:05,127 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:05,134 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:05,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:05,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:05,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:05,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:05,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:05,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:29:05,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:05,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:05,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:05,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:05,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:05,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:05,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:05,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:05,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,223 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:05,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:05,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:05,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:05,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:05,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:05,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:05,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,286 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:05,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:05,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:05,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:05,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:05,334 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:29:05,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:05,336 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:29:05,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,342 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:05,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:05,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:05,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:05,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:05,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:05,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:05,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:05,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:05,409 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-29 01:29:05,409 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,421 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:05,421 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:05,422 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:05,423 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-29 01:29:05,456 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:05,460 INFO L393 LassoCheck]: Loop: "assume !!(0 != main_~x~0 && main_~y~0 > 0);" "assume !(main_~x~0 > 0);" "assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0;" [2020-07-29 01:29:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:05,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:05,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:05,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:05,516 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {19#unseeded} is VALID [2020-07-29 01:29:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:05,523 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:05,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:05,553 INFO L280 TraceCheckUtils]: 0: Hoare triple {22#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))} assume !!(0 != main_~x~0 && main_~y~0 > 0); {22#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:05,554 INFO L280 TraceCheckUtils]: 1: Hoare triple {22#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))} assume !(main_~x~0 > 0); {40#(and (<= ULTIMATE.start_main_~x~0 0) (<= 0 (+ oldRank0 ULTIMATE.start_main_~x~0)))} is VALID [2020-07-29 01:29:05,555 INFO L280 TraceCheckUtils]: 2: Hoare triple {40#(and (<= ULTIMATE.start_main_~x~0 0) (<= 0 (+ oldRank0 ULTIMATE.start_main_~x~0)))} assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0; {32#(or (and (>= oldRank0 0) (> oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))) unseeded)} is VALID [2020-07-29 01:29:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:05,567 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:05,577 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:05,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,588 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:05,590 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 4 states. [2020-07-29 01:29:05,694 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 4 states. Result 33 states and 49 transitions. Complement of second has 8 states. [2020-07-29 01:29:05,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:05,694 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:05,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:29:05,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:29:05,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:05,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:05,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:05,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:29:05,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:05,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:05,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 49 transitions. [2020-07-29 01:29:05,703 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 01:29:05,703 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:05,703 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:05,705 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states. [2020-07-29 01:29:05,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-07-29 01:29:05,711 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 4 examples of accepted words. [2020-07-29 01:29:05,711 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:05,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:29:05,713 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:29:05,714 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 33 states and 49 transitions. cyclomatic complexity: 19 [2020-07-29 01:29:05,716 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 01:29:05,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,716 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,716 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,717 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 33 letters. Loop has 33 letters. [2020-07-29 01:29:05,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 33 letters. Loop has 33 letters. [2020-07-29 01:29:05,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 33 letters. Loop has 33 letters. [2020-07-29 01:29:05,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:29:05,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:29:05,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:29:05,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:05,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:05,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:05,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:05,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:05,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:05,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,727 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,730 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:05,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:05,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:05,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:05,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:05,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:05,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:05,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:05,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:05,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:05,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:05,737 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,737 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:05,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:05,738 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,738 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:05,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:05,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,739 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,739 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:05,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 33 states and 49 transitions. cyclomatic complexity: 19 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,742 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:05,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-07-29 01:29:05,746 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:05,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:05,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 1 letters. Loop has 6 letters. [2020-07-29 01:29:05,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:05,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 49 transitions. cyclomatic complexity: 19 [2020-07-29 01:29:05,755 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 01:29:05,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 16 states and 25 transitions. [2020-07-29 01:29:05,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-07-29 01:29:05,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-07-29 01:29:05,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 25 transitions. [2020-07-29 01:29:05,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:05,764 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 25 transitions. [2020-07-29 01:29:05,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 25 transitions. [2020-07-29 01:29:05,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2020-07-29 01:29:05,795 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:05,796 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states and 25 transitions. Second operand 15 states. [2020-07-29 01:29:05,797 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states and 25 transitions. Second operand 15 states. [2020-07-29 01:29:05,799 INFO L87 Difference]: Start difference. First operand 16 states and 25 transitions. Second operand 15 states. [2020-07-29 01:29:05,803 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:05,810 INFO L93 Difference]: Finished difference Result 16 states and 25 transitions. [2020-07-29 01:29:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2020-07-29 01:29:05,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:05,812 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:05,812 INFO L74 IsIncluded]: Start isIncluded. First operand 15 states. Second operand 16 states and 25 transitions. [2020-07-29 01:29:05,813 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 16 states and 25 transitions. [2020-07-29 01:29:05,813 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:05,824 INFO L93 Difference]: Finished difference Result 17 states and 27 transitions. [2020-07-29 01:29:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2020-07-29 01:29:05,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:05,825 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:05,826 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:05,826 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:05,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-07-29 01:29:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 23 transitions. [2020-07-29 01:29:05,829 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 23 transitions. [2020-07-29 01:29:05,829 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 23 transitions. [2020-07-29 01:29:05,829 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:29:05,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 23 transitions. [2020-07-29 01:29:05,834 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 01:29:05,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:05,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:05,836 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 01:29:05,836 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:05,836 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 89#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 100#L19 [2020-07-29 01:29:05,836 INFO L796 eck$LassoCheckResult]: Loop: 100#L19 assume main_~x~0 > 0; 101#L20 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1; 102#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 100#L19 [2020-07-29 01:29:05,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:05,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-07-29 01:29:05,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:05,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947611779] [2020-07-29 01:29:05,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:05,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:05,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:05,863 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:05,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:05,864 INFO L82 PathProgramCache]: Analyzing trace with hash 42852, now seen corresponding path program 1 times [2020-07-29 01:29:05,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:05,867 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820770695] [2020-07-29 01:29:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:05,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:05,879 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:05,880 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:05,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:05,881 INFO L82 PathProgramCache]: Analyzing trace with hash 29863643, now seen corresponding path program 1 times [2020-07-29 01:29:05,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:05,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121601871] [2020-07-29 01:29:05,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:05,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:05,892 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:05,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:05,933 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:05,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:05,933 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:05,933 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:05,934 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:05,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:05,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:05,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:05,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration2_Loop [2020-07-29 01:29:05,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:05,935 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:05,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:05,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:05,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:05,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:05,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:06,097 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:06,098 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:06,103 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:06,108 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:06,108 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:06,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:06,157 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,161 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:06,162 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:06,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:06,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:06,219 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:06,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:06,265 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:06,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:06,314 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,431 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:06,433 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:06,433 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:06,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:06,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:06,434 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:06,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:06,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:06,435 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration2_Loop [2020-07-29 01:29:06,435 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:06,435 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:06,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:06,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:06,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:06,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:06,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:06,613 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:06,613 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:06,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:06,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:06,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:06,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:06,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:06,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:06,632 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:06,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:06,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:06,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:06,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:06,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:06,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:06,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,681 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:06,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:06,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:06,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:06,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:06,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:06,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:06,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:06,725 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:06,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:06,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:06,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:06,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:06,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:06,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:06,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:06,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:06,766 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:29:06,766 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:06,798 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:06,799 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:06,799 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:06,799 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-07-29 01:29:06,844 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:06,850 INFO L393 LassoCheck]: Loop: "assume main_~x~0 > 0;" "assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1;" "assume !!(0 != main_~x~0 && main_~y~0 > 0);" [2020-07-29 01:29:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:06,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:06,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:06,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:06,898 INFO L280 TraceCheckUtils]: 0: Hoare triple {176#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {176#unseeded} is VALID [2020-07-29 01:29:06,899 INFO L280 TraceCheckUtils]: 1: Hoare triple {176#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {176#unseeded} is VALID [2020-07-29 01:29:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:06,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:06,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:07,017 INFO L280 TraceCheckUtils]: 0: Hoare triple {179#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume main_~x~0 > 0; {179#(>= oldRank0 ULTIMATE.start_main_~y~0)} is VALID [2020-07-29 01:29:07,018 INFO L280 TraceCheckUtils]: 1: Hoare triple {179#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1; {200#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} is VALID [2020-07-29 01:29:07,019 INFO L280 TraceCheckUtils]: 2: Hoare triple {200#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {189#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_main_~y~0)) unseeded)} is VALID [2020-07-29 01:29:07,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:07,019 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:07,026 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:07,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,027 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:07,027 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 11 Second operand 4 states. [2020-07-29 01:29:07,115 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 23 transitions. cyclomatic complexity: 11. Second operand 4 states. Result 42 states and 70 transitions. Complement of second has 7 states. [2020-07-29 01:29:07,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:07,116 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:07,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 23 transitions. cyclomatic complexity: 11 [2020-07-29 01:29:07,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:07,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:07,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:07,118 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:07,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:07,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:07,121 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 70 transitions. [2020-07-29 01:29:07,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 01:29:07,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:07,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:07,127 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 23 transitions. cyclomatic complexity: 11 [2020-07-29 01:29:07,128 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 01:29:07,129 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:07,131 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:07,133 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:07,133 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 42 states and 70 transitions. cyclomatic complexity: 34 [2020-07-29 01:29:07,135 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 01:29:07,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:07,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:07,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:07,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 42 letters. Loop has 42 letters. [2020-07-29 01:29:07,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 42 letters. Loop has 42 letters. [2020-07-29 01:29:07,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 42 letters. Loop has 42 letters. [2020-07-29 01:29:07,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:29:07,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:29:07,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:29:07,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:07,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,145 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:07,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:07,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,149 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,149 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,151 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,153 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,153 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:07,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:07,156 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,156 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:07,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,157 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,157 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,158 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,158 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,160 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,160 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:07,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:07,161 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,161 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:07,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,162 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,162 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,163 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,163 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:07,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,166 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,166 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,167 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,167 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:07,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:07,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:07,169 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,169 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:07,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:07,170 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,170 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:07,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 23 transitions. cyclomatic complexity: 11 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:07,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,171 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:07,171 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 42 states and 70 transitions. cyclomatic complexity: 34 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:07,172 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,172 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:07,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-07-29 01:29:07,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:07,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:07,175 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,175 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2020-07-29 01:29:07,176 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,176 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 70 transitions. cyclomatic complexity: 34 [2020-07-29 01:29:07,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 01:29:07,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 36 states and 56 transitions. [2020-07-29 01:29:07,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2020-07-29 01:29:07,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-07-29 01:29:07,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 56 transitions. [2020-07-29 01:29:07,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:07,193 INFO L688 BuchiCegarLoop]: Abstraction has 36 states and 56 transitions. [2020-07-29 01:29:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 56 transitions. [2020-07-29 01:29:07,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 32. [2020-07-29 01:29:07,201 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:07,201 INFO L82 GeneralOperation]: Start isEquivalent. First operand 36 states and 56 transitions. Second operand 32 states. [2020-07-29 01:29:07,201 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states and 56 transitions. Second operand 32 states. [2020-07-29 01:29:07,202 INFO L87 Difference]: Start difference. First operand 36 states and 56 transitions. Second operand 32 states. [2020-07-29 01:29:07,202 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:07,206 INFO L93 Difference]: Finished difference Result 37 states and 59 transitions. [2020-07-29 01:29:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2020-07-29 01:29:07,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:07,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:07,208 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 36 states and 56 transitions. [2020-07-29 01:29:07,208 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 36 states and 56 transitions. [2020-07-29 01:29:07,209 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:07,219 INFO L93 Difference]: Finished difference Result 41 states and 64 transitions. [2020-07-29 01:29:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2020-07-29 01:29:07,221 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:07,221 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:07,221 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:07,221 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-07-29 01:29:07,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 52 transitions. [2020-07-29 01:29:07,224 INFO L711 BuchiCegarLoop]: Abstraction has 32 states and 52 transitions. [2020-07-29 01:29:07,224 INFO L591 BuchiCegarLoop]: Abstraction has 32 states and 52 transitions. [2020-07-29 01:29:07,224 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 01:29:07,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 52 transitions. [2020-07-29 01:29:07,226 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2020-07-29 01:29:07,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:07,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:07,227 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:29:07,227 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:07,227 INFO L794 eck$LassoCheckResult]: Stem: 256#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 257#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 267#L19 assume main_~x~0 > 0; 263#L20 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 270#L27-2 [2020-07-29 01:29:07,227 INFO L796 eck$LassoCheckResult]: Loop: 270#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 287#L19 assume main_~x~0 > 0; 285#L20 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 270#L27-2 [2020-07-29 01:29:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:07,228 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2020-07-29 01:29:07,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:07,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205863462] [2020-07-29 01:29:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:07,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:07,258 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:07,261 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:07,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:07,262 INFO L82 PathProgramCache]: Analyzing trace with hash 39820, now seen corresponding path program 1 times [2020-07-29 01:29:07,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:07,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919347040] [2020-07-29 01:29:07,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:07,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:07,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:07,291 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:07,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:07,293 INFO L82 PathProgramCache]: Analyzing trace with hash -1365869312, now seen corresponding path program 2 times [2020-07-29 01:29:07,294 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:07,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741522410] [2020-07-29 01:29:07,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:07,309 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:07,319 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:07,321 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:07,371 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:07,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:07,372 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:07,372 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:07,372 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:07,372 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,372 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:07,372 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:07,372 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration3_Loop [2020-07-29 01:29:07,372 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:07,372 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:07,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,538 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:07,538 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,541 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:07,541 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:07,546 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:07,546 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,568 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:07,568 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:07,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:07,620 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:07,621 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:07,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:07,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:07,622 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:07,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:07,622 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,622 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:07,622 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:07,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration3_Loop [2020-07-29 01:29:07,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:07,622 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:07,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:07,798 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:07,798 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:07,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:07,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:07,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:07,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:07,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:07,807 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:07,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,812 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:07,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:07,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:07,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:07,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:07,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:07,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:07,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:07,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:07,855 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:29:07,855 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:07,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:07,858 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:07,858 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:07,859 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:07,883 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:07,885 INFO L393 LassoCheck]: Loop: "assume !!(0 != main_~x~0 && main_~y~0 > 0);" "assume main_~x~0 > 0;" "assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3;" [2020-07-29 01:29:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:07,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:07,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:07,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:07,921 INFO L280 TraceCheckUtils]: 0: Hoare triple {424#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {424#unseeded} is VALID [2020-07-29 01:29:07,922 INFO L280 TraceCheckUtils]: 1: Hoare triple {424#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {424#unseeded} is VALID [2020-07-29 01:29:07,922 INFO L280 TraceCheckUtils]: 2: Hoare triple {424#unseeded} assume main_~x~0 > 0; {424#unseeded} is VALID [2020-07-29 01:29:07,923 INFO L280 TraceCheckUtils]: 3: Hoare triple {424#unseeded} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {424#unseeded} is VALID [2020-07-29 01:29:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:07,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:07,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:07,958 INFO L280 TraceCheckUtils]: 0: Hoare triple {427#(>= oldRank0 ULTIMATE.start_main_~x~0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {427#(>= oldRank0 ULTIMATE.start_main_~x~0)} is VALID [2020-07-29 01:29:07,959 INFO L280 TraceCheckUtils]: 1: Hoare triple {427#(>= oldRank0 ULTIMATE.start_main_~x~0)} assume main_~x~0 > 0; {454#(and (<= ULTIMATE.start_main_~x~0 oldRank0) (< 0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:07,960 INFO L280 TraceCheckUtils]: 2: Hoare triple {454#(and (<= ULTIMATE.start_main_~x~0 oldRank0) (< 0 ULTIMATE.start_main_~x~0))} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {437#(or (and (> oldRank0 ULTIMATE.start_main_~x~0) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:29:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:07,961 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:07,967 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:07,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:07,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:07,968 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:07,968 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 52 transitions. cyclomatic complexity: 26 Second operand 4 states. [2020-07-29 01:29:08,060 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 52 transitions. cyclomatic complexity: 26. Second operand 4 states. Result 48 states and 77 transitions. Complement of second has 8 states. [2020-07-29 01:29:08,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:08,061 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:08,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 52 transitions. cyclomatic complexity: 26 [2020-07-29 01:29:08,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:08,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:08,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:08,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:29:08,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:08,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:08,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 77 transitions. [2020-07-29 01:29:08,065 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-07-29 01:29:08,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:08,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:08,066 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 32 states and 52 transitions. cyclomatic complexity: 26 [2020-07-29 01:29:08,067 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 01:29:08,067 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:08,069 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-07-29 01:29:08,069 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:29:08,069 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 48 states and 77 transitions. cyclomatic complexity: 38 [2020-07-29 01:29:08,071 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 10 examples of accepted words. [2020-07-29 01:29:08,071 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:08,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:08,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:08,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,075 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 48 letters. Loop has 48 letters. [2020-07-29 01:29:08,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 48 letters. Loop has 48 letters. [2020-07-29 01:29:08,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 48 letters. Loop has 48 letters. [2020-07-29 01:29:08,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:29:08,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:29:08,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:29:08,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:08,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:08,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:08,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:08,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:08,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:08,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:29:08,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:29:08,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:29:08,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:08,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:08,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:08,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:08,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:08,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:08,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:08,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:08,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:08,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 52 transitions. cyclomatic complexity: 26 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 48 states and 77 transitions. cyclomatic complexity: 38 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:08,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,103 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:08,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:08,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2020-07-29 01:29:08,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:08,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:08,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:08,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 77 transitions. cyclomatic complexity: 38 [2020-07-29 01:29:08,108 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-07-29 01:29:08,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 43 states and 68 transitions. [2020-07-29 01:29:08,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-07-29 01:29:08,111 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2020-07-29 01:29:08,111 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 68 transitions. [2020-07-29 01:29:08,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:08,111 INFO L688 BuchiCegarLoop]: Abstraction has 43 states and 68 transitions. [2020-07-29 01:29:08,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 68 transitions. [2020-07-29 01:29:08,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2020-07-29 01:29:08,114 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:08,114 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states and 68 transitions. Second operand 41 states. [2020-07-29 01:29:08,115 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states and 68 transitions. Second operand 41 states. [2020-07-29 01:29:08,115 INFO L87 Difference]: Start difference. First operand 43 states and 68 transitions. Second operand 41 states. [2020-07-29 01:29:08,115 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:08,118 INFO L93 Difference]: Finished difference Result 45 states and 72 transitions. [2020-07-29 01:29:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-07-29 01:29:08,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:08,119 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:08,119 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 43 states and 68 transitions. [2020-07-29 01:29:08,119 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 43 states and 68 transitions. [2020-07-29 01:29:08,120 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:08,123 INFO L93 Difference]: Finished difference Result 45 states and 72 transitions. [2020-07-29 01:29:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 72 transitions. [2020-07-29 01:29:08,124 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:08,124 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:08,124 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:08,124 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:08,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-29 01:29:08,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 65 transitions. [2020-07-29 01:29:08,126 INFO L711 BuchiCegarLoop]: Abstraction has 41 states and 65 transitions. [2020-07-29 01:29:08,126 INFO L591 BuchiCegarLoop]: Abstraction has 41 states and 65 transitions. [2020-07-29 01:29:08,126 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-29 01:29:08,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 65 transitions. [2020-07-29 01:29:08,127 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2020-07-29 01:29:08,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:08,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:08,128 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2020-07-29 01:29:08,128 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:08,128 INFO L794 eck$LassoCheckResult]: Stem: 517#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 518#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 546#L19 assume !(main_~x~0 > 0); 536#L27 assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; 535#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 531#L19 assume !(main_~x~0 > 0); 532#L27 [2020-07-29 01:29:08,128 INFO L796 eck$LassoCheckResult]: Loop: 532#L27 assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0; 557#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 556#L19 assume !(main_~x~0 > 0); 532#L27 [2020-07-29 01:29:08,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:08,128 INFO L82 PathProgramCache]: Analyzing trace with hash 926018970, now seen corresponding path program 1 times [2020-07-29 01:29:08,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:08,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709486049] [2020-07-29 01:29:08,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:08,138 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:08,144 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:08,147 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:08,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:08,147 INFO L82 PathProgramCache]: Analyzing trace with hash 53186, now seen corresponding path program 2 times [2020-07-29 01:29:08,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:08,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212047623] [2020-07-29 01:29:08,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:08,153 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:08,156 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:08,157 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:08,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:08,157 INFO L82 PathProgramCache]: Analyzing trace with hash 456216457, now seen corresponding path program 1 times [2020-07-29 01:29:08,157 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:08,158 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026170976] [2020-07-29 01:29:08,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:08,163 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:08,168 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:08,170 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:08,196 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:08,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:08,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:08,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:08,196 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:08,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:08,197 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:08,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration4_Loop [2020-07-29 01:29:08,197 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:08,197 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:08,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,357 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:08,357 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:08,365 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:08,368 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:08,368 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=7} Honda state: {ULTIMATE.start_main_#t~nondet4=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:08,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:08,394 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:08,394 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=1} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:08,416 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:08,420 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:08,420 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:08,446 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:08,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:08,541 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:08,543 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:08,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:08,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:08,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:08,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:08,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:08,544 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:08,544 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration4_Loop [2020-07-29 01:29:08,544 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:08,544 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:08,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,566 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:08,718 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:08,718 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:08,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:08,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:08,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:08,723 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-07-29 01:29:08,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:08,724 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2020-07-29 01:29:08,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:08,732 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:08,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:08,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:08,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:08,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:08,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:08,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:08,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:08,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:08,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:08,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:08,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:08,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:08,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:08,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:29:08,804 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:08,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:08,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:08,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:08,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:08,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:08,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:08,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:08,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,847 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:08,850 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-29 01:29:08,850 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:08,852 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:08,852 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:08,852 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:08,853 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-07-29 01:29:08,874 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:08,881 INFO L393 LassoCheck]: Loop: "assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0;" "assume !!(0 != main_~x~0 && main_~y~0 > 0);" "assume !(main_~x~0 > 0);" [2020-07-29 01:29:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:08,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:08,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:08,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:08,911 INFO L280 TraceCheckUtils]: 0: Hoare triple {716#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {716#unseeded} is VALID [2020-07-29 01:29:08,912 INFO L280 TraceCheckUtils]: 1: Hoare triple {716#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:08,913 INFO L280 TraceCheckUtils]: 2: Hoare triple {716#unseeded} assume !(main_~x~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:08,913 INFO L280 TraceCheckUtils]: 3: Hoare triple {716#unseeded} assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {716#unseeded} is VALID [2020-07-29 01:29:08,914 INFO L280 TraceCheckUtils]: 4: Hoare triple {716#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:08,914 INFO L280 TraceCheckUtils]: 5: Hoare triple {716#unseeded} assume !(main_~x~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:08,921 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:08,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:08,971 INFO L280 TraceCheckUtils]: 0: Hoare triple {719#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))} assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0; {749#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:08,972 INFO L280 TraceCheckUtils]: 1: Hoare triple {749#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} assume !!(0 != main_~x~0 && main_~y~0 > 0); {749#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:08,973 INFO L280 TraceCheckUtils]: 2: Hoare triple {749#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} assume !(main_~x~0 > 0); {729#(or (and (>= oldRank0 0) (> oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))) unseeded)} is VALID [2020-07-29 01:29:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:08,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:29:08,984 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:08,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:08,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:08,985 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:08,985 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 65 transitions. cyclomatic complexity: 32 Second operand 3 states. [2020-07-29 01:29:09,066 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 65 transitions. cyclomatic complexity: 32. Second operand 3 states. Result 107 states and 159 transitions. Complement of second has 7 states. [2020-07-29 01:29:09,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:09,066 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:09,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 65 transitions. cyclomatic complexity: 32 [2020-07-29 01:29:09,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:29:09,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:09,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 159 transitions. [2020-07-29 01:29:09,071 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 23 [2020-07-29 01:29:09,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,073 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 41 states and 65 transitions. cyclomatic complexity: 32 [2020-07-29 01:29:09,074 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 10 examples of accepted words. [2020-07-29 01:29:09,074 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:29:09,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:09,076 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:09,076 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 107 states and 159 transitions. cyclomatic complexity: 72 [2020-07-29 01:29:09,079 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 23 examples of accepted words. [2020-07-29 01:29:09,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 107 letters. Loop has 107 letters. [2020-07-29 01:29:09,084 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 107 letters. Loop has 107 letters. [2020-07-29 01:29:09,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 107 letters. Loop has 107 letters. [2020-07-29 01:29:09,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,086 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,087 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,087 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,088 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,098 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,101 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,102 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,102 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,106 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,106 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,109 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,110 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,110 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,111 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,111 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,112 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,112 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,114 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,114 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,115 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,119 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,120 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,121 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,121 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,122 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,122 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,125 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,125 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,126 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,127 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,129 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,131 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,131 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,133 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,133 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,138 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,138 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,140 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,141 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:29:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-07-29 01:29:09,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,143 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-07-29 01:29:09,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:09,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:09,171 INFO L280 TraceCheckUtils]: 0: Hoare triple {716#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {716#unseeded} is VALID [2020-07-29 01:29:09,172 INFO L280 TraceCheckUtils]: 1: Hoare triple {716#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,172 INFO L280 TraceCheckUtils]: 2: Hoare triple {716#unseeded} assume !(main_~x~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,173 INFO L280 TraceCheckUtils]: 3: Hoare triple {716#unseeded} assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {716#unseeded} is VALID [2020-07-29 01:29:09,174 INFO L280 TraceCheckUtils]: 4: Hoare triple {716#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,175 INFO L280 TraceCheckUtils]: 5: Hoare triple {716#unseeded} assume !(main_~x~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,179 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:09,224 INFO L280 TraceCheckUtils]: 0: Hoare triple {719#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))} assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0; {892#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:09,225 INFO L280 TraceCheckUtils]: 1: Hoare triple {892#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} assume !!(0 != main_~x~0 && main_~y~0 > 0); {892#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:09,225 INFO L280 TraceCheckUtils]: 2: Hoare triple {892#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} assume !(main_~x~0 > 0); {729#(or (and (>= oldRank0 0) (> oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))) unseeded)} is VALID [2020-07-29 01:29:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:09,226 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:29:09,232 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:09,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,233 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:09,233 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 65 transitions. cyclomatic complexity: 32 Second operand 3 states. [2020-07-29 01:29:09,316 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 65 transitions. cyclomatic complexity: 32. Second operand 3 states. Result 107 states and 159 transitions. Complement of second has 7 states. [2020-07-29 01:29:09,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:09,317 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:09,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 65 transitions. cyclomatic complexity: 32 [2020-07-29 01:29:09,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:29:09,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:09,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 159 transitions. [2020-07-29 01:29:09,321 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 23 [2020-07-29 01:29:09,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,322 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 41 states and 65 transitions. cyclomatic complexity: 32 [2020-07-29 01:29:09,322 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 10 examples of accepted words. [2020-07-29 01:29:09,322 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:29:09,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:09,323 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:09,324 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 107 states and 159 transitions. cyclomatic complexity: 72 [2020-07-29 01:29:09,326 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 23 examples of accepted words. [2020-07-29 01:29:09,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,328 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,328 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 107 letters. Loop has 107 letters. [2020-07-29 01:29:09,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 107 letters. Loop has 107 letters. [2020-07-29 01:29:09,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 107 letters. Loop has 107 letters. [2020-07-29 01:29:09,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,334 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,334 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,345 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 107 states and 159 transitions. cyclomatic complexity: 72 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,379 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:09,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:29:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-07-29 01:29:09,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,380 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-07-29 01:29:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:09,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:09,415 INFO L280 TraceCheckUtils]: 0: Hoare triple {716#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {716#unseeded} is VALID [2020-07-29 01:29:09,416 INFO L280 TraceCheckUtils]: 1: Hoare triple {716#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,417 INFO L280 TraceCheckUtils]: 2: Hoare triple {716#unseeded} assume !(main_~x~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,418 INFO L280 TraceCheckUtils]: 3: Hoare triple {716#unseeded} assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {716#unseeded} is VALID [2020-07-29 01:29:09,419 INFO L280 TraceCheckUtils]: 4: Hoare triple {716#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,419 INFO L280 TraceCheckUtils]: 5: Hoare triple {716#unseeded} assume !(main_~x~0 > 0); {716#unseeded} is VALID [2020-07-29 01:29:09,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,424 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,427 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:09,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {719#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))} assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~x~0 := 1 + main_~x~0; {1035#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:09,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {1035#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} assume !!(0 != main_~x~0 && main_~y~0 > 0); {1035#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} is VALID [2020-07-29 01:29:09,476 INFO L280 TraceCheckUtils]: 2: Hoare triple {1035#(<= 1 (+ oldRank0 ULTIMATE.start_main_~x~0))} assume !(main_~x~0 > 0); {729#(or (and (>= oldRank0 0) (> oldRank0 (* (- 1) ULTIMATE.start_main_~x~0))) unseeded)} is VALID [2020-07-29 01:29:09,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:09,477 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:29:09,488 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:09,488 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,489 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:09,490 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 65 transitions. cyclomatic complexity: 32 Second operand 3 states. [2020-07-29 01:29:09,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 65 transitions. cyclomatic complexity: 32. Second operand 3 states. Result 108 states and 162 transitions. Complement of second has 8 states. [2020-07-29 01:29:09,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:09,607 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:09,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 65 transitions. cyclomatic complexity: 32 [2020-07-29 01:29:09,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 01:29:09,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:09,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 162 transitions. [2020-07-29 01:29:09,612 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 27 [2020-07-29 01:29:09,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,612 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 41 states and 65 transitions. cyclomatic complexity: 32 [2020-07-29 01:29:09,613 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 10 examples of accepted words. [2020-07-29 01:29:09,613 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 01:29:09,614 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:09,615 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:09,615 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 108 states and 162 transitions. cyclomatic complexity: 71 [2020-07-29 01:29:09,617 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 17 examples of accepted words. [2020-07-29 01:29:09,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,619 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,619 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 108 letters. Loop has 108 letters. [2020-07-29 01:29:09,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 108 letters. Loop has 108 letters. [2020-07-29 01:29:09,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 108 letters. Loop has 108 letters. [2020-07-29 01:29:09,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:09,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:09,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:09,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:09,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,641 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:09,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:09,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 65 transitions. cyclomatic complexity: 32 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 108 states and 162 transitions. cyclomatic complexity: 71 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,652 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:09,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 01:29:09,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-29 01:29:09,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:09,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:09,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:09,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:09,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 108 states and 162 transitions. cyclomatic complexity: 71 [2020-07-29 01:29:09,668 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 27 [2020-07-29 01:29:09,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 108 states to 97 states and 148 transitions. [2020-07-29 01:29:09,682 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-07-29 01:29:09,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2020-07-29 01:29:09,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 148 transitions. [2020-07-29 01:29:09,683 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:09,683 INFO L688 BuchiCegarLoop]: Abstraction has 97 states and 148 transitions. [2020-07-29 01:29:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 148 transitions. [2020-07-29 01:29:09,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 79. [2020-07-29 01:29:09,708 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:09,710 INFO L82 GeneralOperation]: Start isEquivalent. First operand 97 states and 148 transitions. Second operand 79 states. [2020-07-29 01:29:09,710 INFO L74 IsIncluded]: Start isIncluded. First operand 97 states and 148 transitions. Second operand 79 states. [2020-07-29 01:29:09,711 INFO L87 Difference]: Start difference. First operand 97 states and 148 transitions. Second operand 79 states. [2020-07-29 01:29:09,711 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:09,722 INFO L93 Difference]: Finished difference Result 107 states and 162 transitions. [2020-07-29 01:29:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 162 transitions. [2020-07-29 01:29:09,724 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:09,724 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:09,726 INFO L74 IsIncluded]: Start isIncluded. First operand 79 states. Second operand 97 states and 148 transitions. [2020-07-29 01:29:09,726 INFO L87 Difference]: Start difference. First operand 79 states. Second operand 97 states and 148 transitions. [2020-07-29 01:29:09,727 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:09,739 INFO L93 Difference]: Finished difference Result 110 states and 167 transitions. [2020-07-29 01:29:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 167 transitions. [2020-07-29 01:29:09,740 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:09,740 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:09,741 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:09,741 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:09,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-07-29 01:29:09,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 126 transitions. [2020-07-29 01:29:09,743 INFO L711 BuchiCegarLoop]: Abstraction has 79 states and 126 transitions. [2020-07-29 01:29:09,743 INFO L591 BuchiCegarLoop]: Abstraction has 79 states and 126 transitions. [2020-07-29 01:29:09,743 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2020-07-29 01:29:09,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 126 transitions. [2020-07-29 01:29:09,744 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 22 [2020-07-29 01:29:09,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:09,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:09,745 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2020-07-29 01:29:09,745 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:09,745 INFO L794 eck$LassoCheckResult]: Stem: 1161#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 1162#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 1196#L19 assume main_~x~0 > 0; 1212#L20 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 1211#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 1182#L19 assume !(main_~x~0 > 0); 1183#L27 [2020-07-29 01:29:09,745 INFO L796 eck$LassoCheckResult]: Loop: 1183#L27 assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; 1165#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 1206#L19 assume !(main_~x~0 > 0); 1183#L27 [2020-07-29 01:29:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:09,745 INFO L82 PathProgramCache]: Analyzing trace with hash 925771032, now seen corresponding path program 1 times [2020-07-29 01:29:09,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:09,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59876025] [2020-07-29 01:29:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:09,814 INFO L280 TraceCheckUtils]: 0: Hoare triple {1561#true} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {1561#true} is VALID [2020-07-29 01:29:09,815 INFO L280 TraceCheckUtils]: 1: Hoare triple {1561#true} assume !!(0 != main_~x~0 && main_~y~0 > 0); {1561#true} is VALID [2020-07-29 01:29:09,816 INFO L280 TraceCheckUtils]: 2: Hoare triple {1561#true} assume main_~x~0 > 0; {1563#(<= 1 ULTIMATE.start_main_~x~0)} is VALID [2020-07-29 01:29:09,817 INFO L280 TraceCheckUtils]: 3: Hoare triple {1563#(<= 1 ULTIMATE.start_main_~x~0)} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {1564#(<= 0 ULTIMATE.start_main_~x~0)} is VALID [2020-07-29 01:29:09,817 INFO L280 TraceCheckUtils]: 4: Hoare triple {1564#(<= 0 ULTIMATE.start_main_~x~0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {1563#(<= 1 ULTIMATE.start_main_~x~0)} is VALID [2020-07-29 01:29:09,818 INFO L280 TraceCheckUtils]: 5: Hoare triple {1563#(<= 1 ULTIMATE.start_main_~x~0)} assume !(main_~x~0 > 0); {1562#false} is VALID [2020-07-29 01:29:09,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:09,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59876025] [2020-07-29 01:29:09,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:29:09,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-29 01:29:09,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238784220] [2020-07-29 01:29:09,824 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-07-29 01:29:09,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:09,825 INFO L82 PathProgramCache]: Analyzing trace with hash 55108, now seen corresponding path program 1 times [2020-07-29 01:29:09,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:09,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229387725] [2020-07-29 01:29:09,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:09,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:09,829 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:09,832 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:09,833 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:09,861 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:09,861 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:09,861 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:09,861 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:09,861 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:09,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:09,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:09,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:09,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration5_Loop [2020-07-29 01:29:09,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:09,862 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:09,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:09,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:09,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:09,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:09,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,028 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:10,029 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:10,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:10,039 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,044 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:10,044 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:10,071 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:10,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:10,097 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,165 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:10,167 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:10,167 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:10,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:10,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:10,167 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:10,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:10,168 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:10,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration5_Loop [2020-07-29 01:29:10,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:10,168 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:10,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,343 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:10,343 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:10,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:10,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:10,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:10,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:10,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:10,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:10,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:10,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,357 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:10,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:10,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:10,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:10,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:10,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:10,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:10,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:10,388 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:10,394 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-29 01:29:10,395 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:10,398 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:10,398 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:10,398 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:10,398 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,432 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:10,435 INFO L393 LassoCheck]: Loop: "assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5;" "assume !!(0 != main_~x~0 && main_~y~0 > 0);" "assume !(main_~x~0 > 0);" [2020-07-29 01:29:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:10,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:10,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:10,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:10,465 INFO L280 TraceCheckUtils]: 0: Hoare triple {1567#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {1567#unseeded} is VALID [2020-07-29 01:29:10,465 INFO L280 TraceCheckUtils]: 1: Hoare triple {1567#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {1567#unseeded} is VALID [2020-07-29 01:29:10,466 INFO L280 TraceCheckUtils]: 2: Hoare triple {1567#unseeded} assume main_~x~0 > 0; {1567#unseeded} is VALID [2020-07-29 01:29:10,468 INFO L280 TraceCheckUtils]: 3: Hoare triple {1567#unseeded} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {1567#unseeded} is VALID [2020-07-29 01:29:10,470 INFO L280 TraceCheckUtils]: 4: Hoare triple {1567#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {1567#unseeded} is VALID [2020-07-29 01:29:10,470 INFO L280 TraceCheckUtils]: 5: Hoare triple {1567#unseeded} assume !(main_~x~0 > 0); {1567#unseeded} is VALID [2020-07-29 01:29:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:10,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:10,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:10,542 INFO L280 TraceCheckUtils]: 0: Hoare triple {1570#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume !(0 != main_#t~nondet4);havoc main_#t~nondet4;main_~y~0 := main_~y~0 - 1;main_~x~0 := main_#t~nondet5;havoc main_#t~nondet5; {1600#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} is VALID [2020-07-29 01:29:10,543 INFO L280 TraceCheckUtils]: 1: Hoare triple {1600#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {1604#(and (<= (+ ULTIMATE.start_main_~y~0 1) oldRank0) (< 0 ULTIMATE.start_main_~y~0))} is VALID [2020-07-29 01:29:10,545 INFO L280 TraceCheckUtils]: 2: Hoare triple {1604#(and (<= (+ ULTIMATE.start_main_~y~0 1) oldRank0) (< 0 ULTIMATE.start_main_~y~0))} assume !(main_~x~0 > 0); {1580#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_main_~y~0)) unseeded)} is VALID [2020-07-29 01:29:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:10,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:10,565 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:10,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,566 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-07-29 01:29:10,566 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 126 transitions. cyclomatic complexity: 57 Second operand 4 states. [2020-07-29 01:29:10,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 126 transitions. cyclomatic complexity: 57. Second operand 4 states. Result 195 states and 320 transitions. Complement of second has 7 states. [2020-07-29 01:29:10,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:10,646 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:10,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 126 transitions. cyclomatic complexity: 57 [2020-07-29 01:29:10,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:10,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:10,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:10,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:10,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:10,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:10,648 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 195 states and 320 transitions. [2020-07-29 01:29:10,651 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 25 [2020-07-29 01:29:10,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:10,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:10,652 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 79 states and 126 transitions. cyclomatic complexity: 57 [2020-07-29 01:29:10,653 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 14 examples of accepted words. [2020-07-29 01:29:10,654 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:10,654 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:10,654 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:10,655 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 195 states and 320 transitions. cyclomatic complexity: 147 [2020-07-29 01:29:10,656 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 17 examples of accepted words. [2020-07-29 01:29:10,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:10,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:10,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:10,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,658 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,659 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,659 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 195 letters. Loop has 195 letters. [2020-07-29 01:29:10,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 195 letters. Loop has 195 letters. [2020-07-29 01:29:10,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 195 letters. Loop has 195 letters. [2020-07-29 01:29:10,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 79 letters. Loop has 79 letters. [2020-07-29 01:29:10,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 79 letters. Loop has 79 letters. [2020-07-29 01:29:10,661 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 79 letters. Loop has 79 letters. [2020-07-29 01:29:10,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:10,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:10,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:10,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,668 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,670 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,670 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,671 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,671 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,673 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:10,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:10,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:10,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:10,678 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,678 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:10,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:10,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:10,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,681 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,681 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:10,682 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,682 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,683 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,683 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:10,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:10,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,684 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:10,684 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,685 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,687 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:10,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,693 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:10,694 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 79 states and 126 transitions. cyclomatic complexity: 57 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 195 states and 320 transitions. cyclomatic complexity: 147 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:10,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,695 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:10,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-07-29 01:29:10,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:10,696 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,696 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 9 letters. Loop has 3 letters. [2020-07-29 01:29:10,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:10,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:10,697 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 195 states and 320 transitions. cyclomatic complexity: 147 [2020-07-29 01:29:10,709 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 25 [2020-07-29 01:29:10,717 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 195 states to 144 states and 230 transitions. [2020-07-29 01:29:10,717 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2020-07-29 01:29:10,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2020-07-29 01:29:10,718 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 230 transitions. [2020-07-29 01:29:10,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:10,718 INFO L688 BuchiCegarLoop]: Abstraction has 144 states and 230 transitions. [2020-07-29 01:29:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 230 transitions. [2020-07-29 01:29:10,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2020-07-29 01:29:10,725 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:10,725 INFO L82 GeneralOperation]: Start isEquivalent. First operand 144 states and 230 transitions. Second operand 118 states. [2020-07-29 01:29:10,725 INFO L74 IsIncluded]: Start isIncluded. First operand 144 states and 230 transitions. Second operand 118 states. [2020-07-29 01:29:10,725 INFO L87 Difference]: Start difference. First operand 144 states and 230 transitions. Second operand 118 states. [2020-07-29 01:29:10,725 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:10,737 INFO L93 Difference]: Finished difference Result 167 states and 260 transitions. [2020-07-29 01:29:10,737 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 260 transitions. [2020-07-29 01:29:10,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:10,738 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:10,738 INFO L74 IsIncluded]: Start isIncluded. First operand 118 states. Second operand 144 states and 230 transitions. [2020-07-29 01:29:10,738 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 144 states and 230 transitions. [2020-07-29 01:29:10,738 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:10,751 INFO L93 Difference]: Finished difference Result 178 states and 275 transitions. [2020-07-29 01:29:10,751 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 275 transitions. [2020-07-29 01:29:10,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:10,752 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:10,752 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:10,752 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:10,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2020-07-29 01:29:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 194 transitions. [2020-07-29 01:29:10,755 INFO L711 BuchiCegarLoop]: Abstraction has 118 states and 194 transitions. [2020-07-29 01:29:10,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:29:10,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 01:29:10,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-29 01:29:10,760 INFO L87 Difference]: Start difference. First operand 118 states and 194 transitions. Second operand 4 states. [2020-07-29 01:29:10,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:29:10,810 INFO L93 Difference]: Finished difference Result 81 states and 120 transitions. [2020-07-29 01:29:10,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-29 01:29:10,811 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:10,816 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:10,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 120 transitions. [2020-07-29 01:29:10,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:10,821 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 64 states and 94 transitions. [2020-07-29 01:29:10,821 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2020-07-29 01:29:10,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-07-29 01:29:10,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 94 transitions. [2020-07-29 01:29:10,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:10,821 INFO L688 BuchiCegarLoop]: Abstraction has 64 states and 94 transitions. [2020-07-29 01:29:10,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 94 transitions. [2020-07-29 01:29:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 41. [2020-07-29 01:29:10,824 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:10,824 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states and 94 transitions. Second operand 41 states. [2020-07-29 01:29:10,824 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states and 94 transitions. Second operand 41 states. [2020-07-29 01:29:10,824 INFO L87 Difference]: Start difference. First operand 64 states and 94 transitions. Second operand 41 states. [2020-07-29 01:29:10,825 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:10,827 INFO L93 Difference]: Finished difference Result 77 states and 112 transitions. [2020-07-29 01:29:10,827 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 112 transitions. [2020-07-29 01:29:10,827 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:10,827 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:10,828 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 64 states and 94 transitions. [2020-07-29 01:29:10,828 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 64 states and 94 transitions. [2020-07-29 01:29:10,828 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:10,830 INFO L93 Difference]: Finished difference Result 84 states and 119 transitions. [2020-07-29 01:29:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2020-07-29 01:29:10,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:10,831 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:10,831 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:10,831 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-07-29 01:29:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 63 transitions. [2020-07-29 01:29:10,832 INFO L711 BuchiCegarLoop]: Abstraction has 41 states and 63 transitions. [2020-07-29 01:29:10,832 INFO L591 BuchiCegarLoop]: Abstraction has 41 states and 63 transitions. [2020-07-29 01:29:10,833 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2020-07-29 01:29:10,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 63 transitions. [2020-07-29 01:29:10,833 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:10,833 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:10,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:10,834 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2020-07-29 01:29:10,834 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:10,834 INFO L794 eck$LassoCheckResult]: Stem: 2512#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 2513#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 2534#L19 assume main_~x~0 > 0; 2525#L20 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 2526#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 2523#L19 [2020-07-29 01:29:10,834 INFO L796 eck$LassoCheckResult]: Loop: 2523#L19 assume main_~x~0 > 0; 2552#L20 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1; 2522#L27-2 assume !!(0 != main_~x~0 && main_~y~0 > 0); 2523#L19 [2020-07-29 01:29:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash 29863581, now seen corresponding path program 3 times [2020-07-29 01:29:10,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:10,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331269328] [2020-07-29 01:29:10,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:10,840 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:10,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:10,844 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:10,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:10,845 INFO L82 PathProgramCache]: Analyzing trace with hash 42852, now seen corresponding path program 2 times [2020-07-29 01:29:10,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:10,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273612789] [2020-07-29 01:29:10,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:10,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:10,850 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:10,851 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:10,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:10,852 INFO L82 PathProgramCache]: Analyzing trace with hash 607724360, now seen corresponding path program 1 times [2020-07-29 01:29:10,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:10,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205023848] [2020-07-29 01:29:10,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:10,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:10,861 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:10,862 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:10,895 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:10,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:10,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:10,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:10,895 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:10,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:10,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:10,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:10,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration6_Loop [2020-07-29 01:29:10,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:10,896 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:10,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:10,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:11,032 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:11,032 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:11,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:11,036 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,039 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:11,039 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:11,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:11,083 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,087 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:11,087 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_11=0} Honda state: {v_rep~unnamed0~0~false_11=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:11,126 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:11,126 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,130 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:11,130 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_11=1} Honda state: {v_rep~unnamed0~0~true_11=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:11,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:11,164 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,193 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:11,193 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:11,249 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:11,251 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:11,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:11,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:11,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:11,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:11,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:11,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:11,251 INFO L133 ssoRankerPreferences]: Filename of dumped script: UrbanMine-ESOP2014-Fig3.c_Iteration6_Loop [2020-07-29 01:29:11,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:11,252 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:11,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:11,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:11,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:11,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:11,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:29:11,396 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:11,396 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:11,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:11,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:11,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:11,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:11,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:11,401 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:11,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:11,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:11,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:11,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:11,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:11,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:11,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:11,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:29:11,433 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:29:11,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:11,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:11,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:11,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:11,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:11,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:11,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:11,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:11,460 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-29 01:29:11,460 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:11,462 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:11,462 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:11,462 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:11,462 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-07-29 01:29:11,484 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:11,486 INFO L393 LassoCheck]: Loop: "assume main_~x~0 > 0;" "assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1;" "assume !!(0 != main_~x~0 && main_~y~0 > 0);" [2020-07-29 01:29:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:11,515 INFO L280 TraceCheckUtils]: 0: Hoare triple {2801#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {2801#unseeded} is VALID [2020-07-29 01:29:11,516 INFO L280 TraceCheckUtils]: 1: Hoare triple {2801#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2801#unseeded} is VALID [2020-07-29 01:29:11,516 INFO L280 TraceCheckUtils]: 2: Hoare triple {2801#unseeded} assume main_~x~0 > 0; {2801#unseeded} is VALID [2020-07-29 01:29:11,518 INFO L280 TraceCheckUtils]: 3: Hoare triple {2801#unseeded} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {2801#unseeded} is VALID [2020-07-29 01:29:11,518 INFO L280 TraceCheckUtils]: 4: Hoare triple {2801#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2801#unseeded} is VALID [2020-07-29 01:29:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:11,555 INFO L280 TraceCheckUtils]: 0: Hoare triple {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume main_~x~0 > 0; {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} is VALID [2020-07-29 01:29:11,556 INFO L280 TraceCheckUtils]: 1: Hoare triple {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1; {2834#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} is VALID [2020-07-29 01:29:11,557 INFO L280 TraceCheckUtils]: 2: Hoare triple {2834#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2814#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_main_~y~0)) unseeded)} is VALID [2020-07-29 01:29:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:11,557 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:11,571 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:11,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,572 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:11,572 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 63 transitions. cyclomatic complexity: 29 Second operand 4 states. [2020-07-29 01:29:11,618 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 63 transitions. cyclomatic complexity: 29. Second operand 4 states. Result 76 states and 123 transitions. Complement of second has 7 states. [2020-07-29 01:29:11,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:11,619 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:11,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 63 transitions. cyclomatic complexity: 29 [2020-07-29 01:29:11,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,619 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:11,620 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,620 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,620 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 123 transitions. [2020-07-29 01:29:11,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,621 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 41 states and 63 transitions. cyclomatic complexity: 29 [2020-07-29 01:29:11,621 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:29:11,622 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:11,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,622 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:11,622 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 76 states and 123 transitions. cyclomatic complexity: 59 [2020-07-29 01:29:11,623 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:29:11,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 76 letters. Loop has 76 letters. [2020-07-29 01:29:11,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 76 letters. Loop has 76 letters. [2020-07-29 01:29:11,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 76 letters. Loop has 76 letters. [2020-07-29 01:29:11,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,631 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-07-29 01:29:11,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,632 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,632 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-07-29 01:29:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:11,653 INFO L280 TraceCheckUtils]: 0: Hoare triple {2801#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {2801#unseeded} is VALID [2020-07-29 01:29:11,653 INFO L280 TraceCheckUtils]: 1: Hoare triple {2801#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2801#unseeded} is VALID [2020-07-29 01:29:11,654 INFO L280 TraceCheckUtils]: 2: Hoare triple {2801#unseeded} assume main_~x~0 > 0; {2801#unseeded} is VALID [2020-07-29 01:29:11,655 INFO L280 TraceCheckUtils]: 3: Hoare triple {2801#unseeded} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {2801#unseeded} is VALID [2020-07-29 01:29:11,655 INFO L280 TraceCheckUtils]: 4: Hoare triple {2801#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2801#unseeded} is VALID [2020-07-29 01:29:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:11,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume main_~x~0 > 0; {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} is VALID [2020-07-29 01:29:11,691 INFO L280 TraceCheckUtils]: 1: Hoare triple {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1; {2943#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} is VALID [2020-07-29 01:29:11,692 INFO L280 TraceCheckUtils]: 2: Hoare triple {2943#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2814#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_main_~y~0)) unseeded)} is VALID [2020-07-29 01:29:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:11,692 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:11,698 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:11,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,699 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:11,699 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 63 transitions. cyclomatic complexity: 29 Second operand 4 states. [2020-07-29 01:29:11,743 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 63 transitions. cyclomatic complexity: 29. Second operand 4 states. Result 76 states and 123 transitions. Complement of second has 7 states. [2020-07-29 01:29:11,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:11,744 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:11,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 63 transitions. cyclomatic complexity: 29 [2020-07-29 01:29:11,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:11,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 76 states and 123 transitions. [2020-07-29 01:29:11,746 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,746 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,746 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,747 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 41 states and 63 transitions. cyclomatic complexity: 29 [2020-07-29 01:29:11,747 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:29:11,747 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:11,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,748 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:11,748 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 76 states and 123 transitions. cyclomatic complexity: 59 [2020-07-29 01:29:11,748 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:29:11,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,751 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,751 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 76 letters. Loop has 76 letters. [2020-07-29 01:29:11,752 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 76 letters. Loop has 76 letters. [2020-07-29 01:29:11,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 76 letters. Loop has 76 letters. [2020-07-29 01:29:11,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,757 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,758 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,758 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,762 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,763 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 76 states and 123 transitions. cyclomatic complexity: 59 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,763 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,763 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:11,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:11,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-07-29 01:29:11,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,764 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-07-29 01:29:11,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:11,792 INFO L280 TraceCheckUtils]: 0: Hoare triple {2801#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; {2801#unseeded} is VALID [2020-07-29 01:29:11,793 INFO L280 TraceCheckUtils]: 1: Hoare triple {2801#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2801#unseeded} is VALID [2020-07-29 01:29:11,793 INFO L280 TraceCheckUtils]: 2: Hoare triple {2801#unseeded} assume main_~x~0 > 0; {2801#unseeded} is VALID [2020-07-29 01:29:11,794 INFO L280 TraceCheckUtils]: 3: Hoare triple {2801#unseeded} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := main_~x~0 - 1;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; {2801#unseeded} is VALID [2020-07-29 01:29:11,794 INFO L280 TraceCheckUtils]: 4: Hoare triple {2801#unseeded} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2801#unseeded} is VALID [2020-07-29 01:29:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:11,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:11,835 INFO L280 TraceCheckUtils]: 0: Hoare triple {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume main_~x~0 > 0; {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} is VALID [2020-07-29 01:29:11,836 INFO L280 TraceCheckUtils]: 1: Hoare triple {2804#(>= oldRank0 ULTIMATE.start_main_~y~0)} assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~y~0 := main_~y~0 - 1; {3052#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} is VALID [2020-07-29 01:29:11,837 INFO L280 TraceCheckUtils]: 2: Hoare triple {3052#(<= (+ ULTIMATE.start_main_~y~0 1) oldRank0)} assume !!(0 != main_~x~0 && main_~y~0 > 0); {2814#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_main_~y~0)) unseeded)} is VALID [2020-07-29 01:29:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:11,838 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:11,844 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 8 edges. 8 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:11,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,845 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 01:29:11,845 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 63 transitions. cyclomatic complexity: 29 Second operand 4 states. [2020-07-29 01:29:11,895 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 63 transitions. cyclomatic complexity: 29. Second operand 4 states. Result 80 states and 128 transitions. Complement of second has 8 states. [2020-07-29 01:29:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:11,896 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:11,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 63 transitions. cyclomatic complexity: 29 [2020-07-29 01:29:11,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:11,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:11,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:11,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 128 transitions. [2020-07-29 01:29:11,898 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:11,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:11,899 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 41 states and 63 transitions. cyclomatic complexity: 29 [2020-07-29 01:29:11,899 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 3 examples of accepted words. [2020-07-29 01:29:11,899 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:11,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:11,900 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:11,900 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 80 states and 128 transitions. cyclomatic complexity: 60 [2020-07-29 01:29:11,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 80 states and 128 transitions. cyclomatic complexity: 60 [2020-07-29 01:29:11,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:11,900 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:29:11,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 80 letters. Loop has 80 letters. [2020-07-29 01:29:11,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 80 letters. Loop has 80 letters. [2020-07-29 01:29:11,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 80 letters. Loop has 80 letters. [2020-07-29 01:29:11,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,904 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,904 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 41 letters. Loop has 41 letters. [2020-07-29 01:29:11,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,905 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,905 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:11,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,906 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,906 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:11,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,907 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,907 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:11,908 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,908 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 41 states and 63 transitions. cyclomatic complexity: 29 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,910 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 80 states and 128 transitions. cyclomatic complexity: 60 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:11,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,911 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-07-29 01:29:11,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:11,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:11,912 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:11,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:11,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 128 transitions. cyclomatic complexity: 60 [2020-07-29 01:29:11,915 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:11,916 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 0 states and 0 transitions. [2020-07-29 01:29:11,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:29:11,916 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:29:11,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:29:11,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:29:11,916 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:11,917 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:11,917 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:11,917 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2020-07-29 01:29:11,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:29:11,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:11,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:11,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:29:11 BoogieIcfgContainer [2020-07-29 01:29:11,925 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:29:11,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:29:11,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:29:11,926 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:29:11,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:03" (3/4) ... [2020-07-29 01:29:11,930 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:29:11,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:29:11,933 INFO L168 Benchmark]: Toolchain (without parser) took 8802.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 299.4 MB). Free memory was 956.2 MB in the beginning and 921.5 MB in the end (delta: 34.7 MB). Peak memory consumption was 334.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:11,934 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:11,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.82 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:11,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:11,936 INFO L168 Benchmark]: Boogie Preprocessor took 88.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:11,936 INFO L168 Benchmark]: RCFGBuilder took 333.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:11,937 INFO L168 Benchmark]: BuchiAutomizer took 8082.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 195.4 MB). Peak memory consumption was 354.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:11,938 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 1.3 GB. Free memory is still 921.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:11,940 INFO L336 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 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.82 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.09 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -184.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 333.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8082.72 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.4 MB). Free memory was 1.1 GB in the beginning and 921.5 MB in the end (delta: 195.4 MB). Peak memory consumption was 354.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.28 ms. Allocated memory is still 1.3 GB. Free memory is still 921.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (1 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function -1 * x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function -1 * x and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.0s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 5.2s. Construction of modules took 0.3s. Büchi inclusion checks took 2.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 74 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 79 states and ocurred in iteration 4. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 89 SDtfs, 114 SDslu, 41 SDs, 0 SdLazy, 146 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT5 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax161 hnf98 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq164 hnf94 smp86 dnf100 smp100 tf113 neg98 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 15 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...