./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/AlternKonv.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-restricted-15/AlternKonv.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 475cf88887990488194ca7f61a6d05f74a450e7b .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:29:38,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:29:38,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:29:38,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:29:38,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:29:38,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:29:38,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:29:38,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:29:38,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:29:38,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:29:38,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:29:38,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:29:38,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:29:38,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:29:38,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:29:38,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:29:38,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:29:38,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:29:38,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:29:38,212 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:29:38,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:29:38,215 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:29:38,216 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:29:38,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:29:38,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:29:38,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:29:38,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:29:38,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:29:38,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:29:38,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:29:38,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:29:38,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:29:38,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:29:38,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:29:38,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:29:38,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:29:38,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:29:38,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:29:38,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:29:38,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:29:38,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:29:38,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:29:38,249 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:29:38,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:29:38,251 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:29:38,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:29:38,251 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:29:38,252 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:29:38,252 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:29:38,252 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:29:38,252 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:29:38,252 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:29:38,253 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:29:38,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:29:38,253 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:29:38,253 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:29:38,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:29:38,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:29:38,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:29:38,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:29:38,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:29:38,255 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:29:38,255 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:29:38,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:29:38,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:29:38,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:29:38,256 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:29:38,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:29:38,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:29:38,256 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:29:38,257 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:29:38,258 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:29:38,258 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 -> 475cf88887990488194ca7f61a6d05f74a450e7b [2020-07-29 01:29:38,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:29:38,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:29:38,582 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:29:38,584 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:29:38,585 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:29:38,586 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/AlternKonv.c [2020-07-29 01:29:38,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1928a89ce/72b7aca3c1e0458ca040f34b8b92d421/FLAG3344f7e01 [2020-07-29 01:29:39,117 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:29:39,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/AlternKonv.c [2020-07-29 01:29:39,125 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1928a89ce/72b7aca3c1e0458ca040f34b8b92d421/FLAG3344f7e01 [2020-07-29 01:29:39,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1928a89ce/72b7aca3c1e0458ca040f34b8b92d421 [2020-07-29 01:29:39,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:29:39,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:29:39,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:39,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:29:39,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:29:39,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a5198e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39, skipping insertion in model container [2020-07-29 01:29:39,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:29:39,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:29:39,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:39,695 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:29:39,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:39,743 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:29:39,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39 WrapperNode [2020-07-29 01:29:39,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:39,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:39,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:29:39,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:29:39,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,791 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:39,792 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:29:39,792 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:29:39,792 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:29:39,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (1/1) ... [2020-07-29 01:29:39,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:29:39,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:29:39,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:29:39,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:29:39,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (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 01:29:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:29:39,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:29:40,194 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:29:40,194 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:29:40,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:40 BoogieIcfgContainer [2020-07-29 01:29:40,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:29:40,200 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:29:40,200 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:29:40,205 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:29:40,206 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:40,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:29:39" (1/3) ... [2020-07-29 01:29:40,208 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d6ad33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:40, skipping insertion in model container [2020-07-29 01:29:40,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:40,208 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:39" (2/3) ... [2020-07-29 01:29:40,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1d6ad33c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:40, skipping insertion in model container [2020-07-29 01:29:40,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:40,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:40" (3/3) ... [2020-07-29 01:29:40,211 INFO L371 chiAutomizerObserver]: Analyzing ICFG AlternKonv.c [2020-07-29 01:29:40,334 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:29:40,339 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:29:40,340 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:29:40,340 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:29:40,340 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:29:40,340 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:29:40,341 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:29:40,341 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:29:40,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 01:29:40,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:40,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:40,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:40,405 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:40,405 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:40,405 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:29:40,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 01:29:40,411 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:40,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:40,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:40,411 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:40,412 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:40,421 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L18-2true [2020-07-29 01:29:40,422 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(0 != main_~i~0); 3#L10true assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; 6#L12true assume !(main_~i~0 < 0); 5#L18-2true [2020-07-29 01:29:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:40,429 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:29:40,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:40,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070171527] [2020-07-29 01:29:40,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:40,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:40,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:40,556 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:40,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:40,558 INFO L82 PathProgramCache]: Analyzing trace with hash 39827, now seen corresponding path program 1 times [2020-07-29 01:29:40,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:40,558 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680137293] [2020-07-29 01:29:40,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:40,572 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:40,577 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:40,579 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:40,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:40,581 INFO L82 PathProgramCache]: Analyzing trace with hash 963348, now seen corresponding path program 1 times [2020-07-29 01:29:40,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:40,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698442102] [2020-07-29 01:29:40,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:40,589 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:40,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:40,596 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:40,683 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:40,684 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:40,685 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:40,685 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:40,685 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:40,686 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:40,686 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:40,686 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:40,686 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration1_Loop [2020-07-29 01:29:40,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:40,687 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:40,740 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 01:29:40,757 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 01:29:40,775 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 01:29:40,921 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:40,922 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) [2020-07-29 01:29:40,928 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:40,928 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:40,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:40,939 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 01:29:40,979 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:40,980 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 01:29:40,985 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:40,985 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 01:29:41,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:41,024 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 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:41,065 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:41,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:41,101 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:41,103 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:41,103 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:41,104 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:41,104 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:41,104 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:41,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:41,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:41,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:41,105 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration1_Loop [2020-07-29 01:29:41,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:41,105 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:41,116 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 01:29:41,122 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 01:29:41,128 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 01:29:41,270 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:41,276 INFO L489 LassoAnalysis]: Using template 'affine'. 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 01:29:41,289 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 Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:41,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:41,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:41,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:41,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:41,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:41,298 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:29:41,305 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:41,351 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 01:29:41,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:41,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:41,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:41,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:41,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:41,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:41,363 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 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 01:29:41,407 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 01:29:41,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:41,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:41,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:41,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:41,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:41,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:41,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:41,416 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:41,422 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-29 01:29:41,422 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:41,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:41,431 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:41,432 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:41,432 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:41,472 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:41,477 INFO L393 LassoCheck]: Loop: "assume !!(0 != main_~i~0);" "assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0;" "assume !(main_~i~0 < 0);" [2020-07-29 01:29:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:41,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:41,524 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:41,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:41,539 INFO L280 TraceCheckUtils]: 0: Hoare triple {20#unseeded} havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; {20#unseeded} is VALID [2020-07-29 01:29:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:41,545 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:41,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:41,667 INFO L280 TraceCheckUtils]: 0: Hoare triple {23#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))} assume !!(0 != main_~i~0); {23#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))} is VALID [2020-07-29 01:29:41,668 INFO L280 TraceCheckUtils]: 1: Hoare triple {23#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {41#(and (<= 1 oldRank0) (<= 2 (+ oldRank0 ULTIMATE.start_main_~i~0)))} is VALID [2020-07-29 01:29:41,669 INFO L280 TraceCheckUtils]: 2: Hoare triple {41#(and (<= 1 oldRank0) (<= 2 (+ oldRank0 ULTIMATE.start_main_~i~0)))} assume !(main_~i~0 < 0); {33#(or unseeded (and (>= oldRank0 0) (> oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))))} is VALID [2020-07-29 01:29:41,670 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 01:29:41,682 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:41,691 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 01:29:41,694 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,705 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 01:29:41,707 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2020-07-29 01:29:41,813 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 32 states and 45 transitions. Complement of second has 6 states. [2020-07-29 01:29:41,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:41,814 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:41,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 01:29:41,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:41,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:41,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:41,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:41,820 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:29:41,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:41,820 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:41,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 45 transitions. [2020-07-29 01:29:41,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:41,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:41,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:41,825 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 10 states. [2020-07-29 01:29:41,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:41,828 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 5 examples of accepted words. [2020-07-29 01:29:41,828 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:41,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 01:29:41,831 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:29:41,831 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 32 states and 45 transitions. cyclomatic complexity: 15 [2020-07-29 01:29:41,832 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 5 examples of accepted words. [2020-07-29 01:29:41,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:41,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:41,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:41,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:29:41,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:29:41,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 32 letters. Loop has 32 letters. [2020-07-29 01:29:41,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 01:29:41,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 01:29:41,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 10 letters. Loop has 10 letters. [2020-07-29 01:29:41,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:41,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:41,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:41,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,841 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:41,841 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:41,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 2 letters. Loop has 3 letters. [2020-07-29 01:29:41,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:41,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:41,849 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:41,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:41,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:41,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:41,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:41,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:41,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:41,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,853 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:41,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:41,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:41,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:41,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,855 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:41,855 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:41,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:41,856 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:41,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:41,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:41,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:41,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:41,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 45 transitions. cyclomatic complexity: 15 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:41,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,859 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:41,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2020-07-29 01:29:41,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 1 letters. Loop has 3 letters. [2020-07-29 01:29:41,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:41,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 1 letters. Loop has 6 letters. [2020-07-29 01:29:41,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:41,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 45 transitions. cyclomatic complexity: 15 [2020-07-29 01:29:41,869 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:41,875 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 14 states and 20 transitions. [2020-07-29 01:29:41,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-07-29 01:29:41,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-07-29 01:29:41,878 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2020-07-29 01:29:41,878 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:41,878 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-07-29 01:29:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2020-07-29 01:29:41,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2020-07-29 01:29:41,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:41,914 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states and 20 transitions. Second operand 12 states. [2020-07-29 01:29:41,914 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states and 20 transitions. Second operand 12 states. [2020-07-29 01:29:41,918 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand 12 states. [2020-07-29 01:29:41,922 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:41,925 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2020-07-29 01:29:41,926 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-07-29 01:29:41,927 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:41,927 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:41,927 INFO L74 IsIncluded]: Start isIncluded. First operand 12 states. Second operand 14 states and 20 transitions. [2020-07-29 01:29:41,927 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 14 states and 20 transitions. [2020-07-29 01:29:41,928 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:41,930 INFO L93 Difference]: Finished difference Result 15 states and 21 transitions. [2020-07-29 01:29:41,930 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2020-07-29 01:29:41,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:41,931 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:41,931 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:41,931 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:41,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-07-29 01:29:41,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 18 transitions. [2020-07-29 01:29:41,934 INFO L711 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2020-07-29 01:29:41,934 INFO L591 BuchiCegarLoop]: Abstraction has 12 states and 18 transitions. [2020-07-29 01:29:41,934 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:29:41,934 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 18 transitions. [2020-07-29 01:29:41,935 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:41,935 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:41,935 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:41,936 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:29:41,936 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:41,936 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 92#L18-2 assume !!(0 != main_~i~0); 85#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 86#L18 [2020-07-29 01:29:41,936 INFO L796 eck$LassoCheckResult]: Loop: 86#L18 assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; 95#L18-2 assume !!(0 != main_~i~0); 96#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 86#L18 [2020-07-29 01:29:41,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:41,937 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 1 times [2020-07-29 01:29:41,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:41,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141586098] [2020-07-29 01:29:41,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:41,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:41,947 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:41,948 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:41,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:41,949 INFO L82 PathProgramCache]: Analyzing trace with hash 57996, now seen corresponding path program 1 times [2020-07-29 01:29:41,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:41,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755422005] [2020-07-29 01:29:41,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,000 INFO L280 TraceCheckUtils]: 0: Hoare triple {161#true} assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; {163#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} is VALID [2020-07-29 01:29:42,002 INFO L280 TraceCheckUtils]: 1: Hoare triple {163#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} assume !!(0 != main_~i~0); {163#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} is VALID [2020-07-29 01:29:42,003 INFO L280 TraceCheckUtils]: 2: Hoare triple {163#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {162#false} is VALID [2020-07-29 01:29:42,004 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 01:29:42,004 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755422005] [2020-07-29 01:29:42,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:29:42,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-07-29 01:29:42,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446313729] [2020-07-29 01:29:42,009 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 01:29:42,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:29:42,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-29 01:29:42,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-29 01:29:42,013 INFO L87 Difference]: Start difference. First operand 12 states and 18 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-07-29 01:29:42,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:29:42,059 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2020-07-29 01:29:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-29 01:29:42,060 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 01:29:42,065 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:42,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-07-29 01:29:42,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 20 transitions. [2020-07-29 01:29:42,068 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2020-07-29 01:29:42,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2020-07-29 01:29:42,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,069 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:42,069 INFO L688 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-07-29 01:29:42,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2020-07-29 01:29:42,071 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:42,071 INFO L82 GeneralOperation]: Start isEquivalent. First operand 14 states and 20 transitions. Second operand 14 states. [2020-07-29 01:29:42,071 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states and 20 transitions. Second operand 14 states. [2020-07-29 01:29:42,071 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. Second operand 14 states. [2020-07-29 01:29:42,072 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:42,074 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2020-07-29 01:29:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,074 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:42,074 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:42,075 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 14 states and 20 transitions. [2020-07-29 01:29:42,075 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 14 states and 20 transitions. [2020-07-29 01:29:42,075 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:42,077 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2020-07-29 01:29:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:42,078 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:42,078 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:42,078 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:42,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-29 01:29:42,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2020-07-29 01:29:42,080 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-07-29 01:29:42,080 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-07-29 01:29:42,080 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 01:29:42,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-07-29 01:29:42,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:42,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:42,081 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:29:42,081 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:42,082 INFO L794 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 183#L18-2 assume !!(0 != main_~i~0); 178#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 179#L18 [2020-07-29 01:29:42,082 INFO L796 eck$LassoCheckResult]: Loop: 179#L18 assume !(main_~i~0 > 0); 189#L18-2 assume !!(0 != main_~i~0); 191#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 179#L18 [2020-07-29 01:29:42,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:42,082 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 2 times [2020-07-29 01:29:42,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:42,083 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985127421] [2020-07-29 01:29:42,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,088 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,093 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:42,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:42,094 INFO L82 PathProgramCache]: Analyzing trace with hash 59918, now seen corresponding path program 1 times [2020-07-29 01:29:42,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:42,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578406734] [2020-07-29 01:29:42,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,123 INFO L280 TraceCheckUtils]: 0: Hoare triple {257#true} assume !(main_~i~0 > 0); {259#(<= ULTIMATE.start_main_~i~0 0)} is VALID [2020-07-29 01:29:42,124 INFO L280 TraceCheckUtils]: 1: Hoare triple {259#(<= ULTIMATE.start_main_~i~0 0)} assume !!(0 != main_~i~0); {260#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} is VALID [2020-07-29 01:29:42,125 INFO L280 TraceCheckUtils]: 2: Hoare triple {260#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {258#false} is VALID [2020-07-29 01:29:42,125 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 01:29:42,126 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578406734] [2020-07-29 01:29:42,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:29:42,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-29 01:29:42,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059882471] [2020-07-29 01:29:42,127 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-07-29 01:29:42,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:29:42,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 01:29:42,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-29 01:29:42,128 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-07-29 01:29:42,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:29:42,180 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2020-07-29 01:29:42,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-29 01:29:42,180 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:42,185 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:42,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2020-07-29 01:29:42,187 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2020-07-29 01:29:42,188 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 22 transitions. [2020-07-29 01:29:42,188 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-07-29 01:29:42,189 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-07-29 01:29:42,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2020-07-29 01:29:42,189 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:42,189 INFO L688 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2020-07-29 01:29:42,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2020-07-29 01:29:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2020-07-29 01:29:42,191 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:42,191 INFO L82 GeneralOperation]: Start isEquivalent. First operand 16 states and 22 transitions. Second operand 14 states. [2020-07-29 01:29:42,191 INFO L74 IsIncluded]: Start isIncluded. First operand 16 states and 22 transitions. Second operand 14 states. [2020-07-29 01:29:42,192 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand 14 states. [2020-07-29 01:29:42,192 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:42,194 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2020-07-29 01:29:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2020-07-29 01:29:42,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:42,195 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:42,195 INFO L74 IsIncluded]: Start isIncluded. First operand 14 states. Second operand 16 states and 22 transitions. [2020-07-29 01:29:42,195 INFO L87 Difference]: Start difference. First operand 14 states. Second operand 16 states and 22 transitions. [2020-07-29 01:29:42,195 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:42,197 INFO L93 Difference]: Finished difference Result 16 states and 22 transitions. [2020-07-29 01:29:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2020-07-29 01:29:42,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:42,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:42,198 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:42,198 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:42,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2020-07-29 01:29:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2020-07-29 01:29:42,200 INFO L711 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-07-29 01:29:42,200 INFO L591 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2020-07-29 01:29:42,200 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2020-07-29 01:29:42,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2020-07-29 01:29:42,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-07-29 01:29:42,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:42,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:42,202 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:29:42,202 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1] [2020-07-29 01:29:42,202 INFO L794 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 282#L18-2 assume !!(0 != main_~i~0); 277#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 278#L18 [2020-07-29 01:29:42,202 INFO L796 eck$LassoCheckResult]: Loop: 278#L18 assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; 283#L18-2 assume !!(0 != main_~i~0); 284#L10 assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; 286#L12 assume !(main_~i~0 < 0); 288#L18-2 assume !!(0 != main_~i~0); 290#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 278#L18 [2020-07-29 01:29:42,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:42,203 INFO L82 PathProgramCache]: Analyzing trace with hash 31088, now seen corresponding path program 3 times [2020-07-29 01:29:42,203 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:42,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711511949] [2020-07-29 01:29:42,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,208 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,212 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,213 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:42,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1727393992, now seen corresponding path program 1 times [2020-07-29 01:29:42,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:42,214 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722468984] [2020-07-29 01:29:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,224 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,229 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:42,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:42,232 INFO L82 PathProgramCache]: Analyzing trace with hash 684415735, now seen corresponding path program 1 times [2020-07-29 01:29:42,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:42,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077691812] [2020-07-29 01:29:42,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,240 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:42,247 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:42,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:42,308 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:42,309 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:42,309 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:42,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:42,309 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:42,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:42,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:42,310 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration4_Loop [2020-07-29 01:29:42,310 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:42,310 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:42,320 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 01:29:42,328 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 01:29:42,334 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 01:29:42,458 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:42,458 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:42,462 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:42,466 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:42,467 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:42,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:42,514 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:42,519 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:42,569 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:42,569 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:42,624 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:42,624 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,669 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:42,671 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:42,671 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:42,671 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:42,672 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:42,672 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:42,672 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,672 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:42,672 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:42,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration4_Loop [2020-07-29 01:29:42,673 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:42,673 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:42,685 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 01:29:42,691 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 01:29:42,705 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 01:29:42,807 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:42,807 INFO L489 LassoAnalysis]: Using template 'affine'. 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 01:29:42,813 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 01:29:42,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:42,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:42,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:42,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:42,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:42,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:29:42,825 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 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,864 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 01:29:42,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:42,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:42,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:42,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:42,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:42,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:42,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:42,870 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:42,873 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-07-29 01:29:42,873 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:42,885 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:42,885 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:42,886 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:42,886 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:42,916 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:42,920 INFO L393 LassoCheck]: Loop: "assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0;" "assume !!(0 != main_~i~0);" "assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0;" "assume !(main_~i~0 < 0);" "assume !!(0 != main_~i~0);" "assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2;" [2020-07-29 01:29:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:42,951 INFO L280 TraceCheckUtils]: 0: Hoare triple {366#unseeded} havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; {366#unseeded} is VALID [2020-07-29 01:29:42,953 INFO L280 TraceCheckUtils]: 1: Hoare triple {366#unseeded} assume !!(0 != main_~i~0); {366#unseeded} is VALID [2020-07-29 01:29:42,953 INFO L280 TraceCheckUtils]: 2: Hoare triple {366#unseeded} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {366#unseeded} is VALID [2020-07-29 01:29:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 01:29:42,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:42,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:43,103 INFO L280 TraceCheckUtils]: 0: Hoare triple {369#(>= oldRank0 ULTIMATE.start_main_~i~0)} assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; {390#(and (<= 1 oldRank0) (<= (+ ULTIMATE.start_main_~i~0 1) 0))} is VALID [2020-07-29 01:29:43,104 INFO L280 TraceCheckUtils]: 1: Hoare triple {390#(and (<= 1 oldRank0) (<= (+ ULTIMATE.start_main_~i~0 1) 0))} assume !!(0 != main_~i~0); {390#(and (<= 1 oldRank0) (<= (+ ULTIMATE.start_main_~i~0 1) 0))} is VALID [2020-07-29 01:29:43,106 INFO L280 TraceCheckUtils]: 2: Hoare triple {390#(and (<= 1 oldRank0) (<= (+ ULTIMATE.start_main_~i~0 1) 0))} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {397#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} is VALID [2020-07-29 01:29:43,106 INFO L280 TraceCheckUtils]: 3: Hoare triple {397#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} assume !(main_~i~0 < 0); {397#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} is VALID [2020-07-29 01:29:43,107 INFO L280 TraceCheckUtils]: 4: Hoare triple {397#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} assume !!(0 != main_~i~0); {397#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} is VALID [2020-07-29 01:29:43,108 INFO L280 TraceCheckUtils]: 5: Hoare triple {397#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {379#(or (and (> oldRank0 ULTIMATE.start_main_~i~0) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:29:43,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:43,109 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:43,187 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:43,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,188 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 01:29:43,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-07-29 01:29:43,238 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 25 states and 35 transitions. Complement of second has 5 states. [2020-07-29 01:29:43,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:43,239 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:43,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. cyclomatic complexity: 8 [2020-07-29 01:29:43,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:43,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:43,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,244 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 35 transitions. [2020-07-29 01:29:43,244 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 11 [2020-07-29 01:29:43,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,245 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states and 20 transitions. cyclomatic complexity: 8 [2020-07-29 01:29:43,247 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 01:29:43,247 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:43,248 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:43,249 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:43,249 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 25 states and 35 transitions. cyclomatic complexity: 13 [2020-07-29 01:29:43,257 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 11 examples of accepted words. [2020-07-29 01:29:43,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:43,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:43,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:43,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 25 letters. Loop has 25 letters. [2020-07-29 01:29:43,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 25 letters. Loop has 25 letters. [2020-07-29 01:29:43,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 25 letters. Loop has 25 letters. [2020-07-29 01:29:43,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 14 letters. Loop has 14 letters. [2020-07-29 01:29:43,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 01:29:43,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 14 letters. Loop has 14 letters. [2020-07-29 01:29:43,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,267 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:43,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:43,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:43,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,270 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:43,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:43,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:43,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:43,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:43,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:43,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:43,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,279 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:43,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:43,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,282 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,282 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,283 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,283 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,284 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,284 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:43,285 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:43,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:43,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:43,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:43,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:43,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,289 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,291 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,292 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,292 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,293 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,293 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,294 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 25 states and 35 transitions. cyclomatic complexity: 13 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,294 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,294 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:43,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:43,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2020-07-29 01:29:43,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,296 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,297 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-07-29 01:29:43,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:43,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:43,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:43,330 INFO L280 TraceCheckUtils]: 0: Hoare triple {366#unseeded} havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; {366#unseeded} is VALID [2020-07-29 01:29:43,331 INFO L280 TraceCheckUtils]: 1: Hoare triple {366#unseeded} assume !!(0 != main_~i~0); {366#unseeded} is VALID [2020-07-29 01:29:43,332 INFO L280 TraceCheckUtils]: 2: Hoare triple {366#unseeded} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {366#unseeded} is VALID [2020-07-29 01:29:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:43,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-29 01:29:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:43,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:43,427 INFO L280 TraceCheckUtils]: 0: Hoare triple {369#(>= oldRank0 ULTIMATE.start_main_~i~0)} assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; {449#(<= 1 oldRank0)} is VALID [2020-07-29 01:29:43,428 INFO L280 TraceCheckUtils]: 1: Hoare triple {449#(<= 1 oldRank0)} assume !!(0 != main_~i~0); {449#(<= 1 oldRank0)} is VALID [2020-07-29 01:29:43,429 INFO L280 TraceCheckUtils]: 2: Hoare triple {449#(<= 1 oldRank0)} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {456#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} is VALID [2020-07-29 01:29:43,430 INFO L280 TraceCheckUtils]: 3: Hoare triple {456#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} assume !(main_~i~0 < 0); {456#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} is VALID [2020-07-29 01:29:43,431 INFO L280 TraceCheckUtils]: 4: Hoare triple {456#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} assume !!(0 != main_~i~0); {456#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} is VALID [2020-07-29 01:29:43,432 INFO L280 TraceCheckUtils]: 5: Hoare triple {456#(and (<= 1 oldRank0) (<= ULTIMATE.start_main_~i~0 1))} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {379#(or (and (> oldRank0 ULTIMATE.start_main_~i~0) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:29:43,432 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 01:29:43,432 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:43,442 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 9 edges. 9 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:43,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,442 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2020-07-29 01:29:43,443 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand 4 states. [2020-07-29 01:29:43,525 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 43 states and 63 transitions. Complement of second has 9 states. [2020-07-29 01:29:43,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:43,526 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:43,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. cyclomatic complexity: 8 [2020-07-29 01:29:43,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:43,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:43,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 63 transitions. [2020-07-29 01:29:43,529 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2020-07-29 01:29:43,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,529 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 14 states and 20 transitions. cyclomatic complexity: 8 [2020-07-29 01:29:43,529 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 7 examples of accepted words. [2020-07-29 01:29:43,530 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:43,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 01:29:43,531 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:43,532 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 43 states and 63 transitions. cyclomatic complexity: 25 [2020-07-29 01:29:43,535 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 20 examples of accepted words. [2020-07-29 01:29:43,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:43,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,537 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:43,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:43,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,538 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,538 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,539 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 43 letters. Loop has 43 letters. [2020-07-29 01:29:43,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 43 letters. Loop has 43 letters. [2020-07-29 01:29:43,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 43 letters. Loop has 43 letters. [2020-07-29 01:29:43,540 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,540 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 14 letters. Loop has 14 letters. [2020-07-29 01:29:43,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 14 letters. [2020-07-29 01:29:43,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 14 letters. Loop has 14 letters. [2020-07-29 01:29:43,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:43,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:43,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:29:43,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:43,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:43,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:43,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:43,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,548 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:43,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:43,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,549 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,549 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:43,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:43,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:43,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,555 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,557 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,557 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:43,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:43,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:43,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:43,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:43,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:43,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:43,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:43,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:43,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:43,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,564 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,565 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:43,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:43,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:43,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 11 letters. Loop has 7 letters. [2020-07-29 01:29:43,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 7 letters. [2020-07-29 01:29:43,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 11 letters. Loop has 7 letters. [2020-07-29 01:29:43,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 7 letters. [2020-07-29 01:29:43,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 7 letters. [2020-07-29 01:29:43,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 5 letters. Loop has 7 letters. [2020-07-29 01:29:43,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:43,569 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,569 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:43,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:43,570 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:43,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:43,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,574 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:43,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,575 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:43,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,576 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 20 transitions. cyclomatic complexity: 8 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,576 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 43 states and 63 transitions. cyclomatic complexity: 25 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:43,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,577 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:43,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2020-07-29 01:29:43,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 6 letters. [2020-07-29 01:29:43,579 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,579 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:43,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 3 letters. Loop has 12 letters. [2020-07-29 01:29:43,580 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:43,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 63 transitions. cyclomatic complexity: 25 [2020-07-29 01:29:43,583 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 20 [2020-07-29 01:29:43,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 41 states and 60 transitions. [2020-07-29 01:29:43,585 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2020-07-29 01:29:43,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2020-07-29 01:29:43,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 60 transitions. [2020-07-29 01:29:43,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:43,586 INFO L688 BuchiCegarLoop]: Abstraction has 41 states and 60 transitions. [2020-07-29 01:29:43,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 60 transitions. [2020-07-29 01:29:43,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2020-07-29 01:29:43,589 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:43,590 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states and 60 transitions. Second operand 36 states. [2020-07-29 01:29:43,590 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states and 60 transitions. Second operand 36 states. [2020-07-29 01:29:43,590 INFO L87 Difference]: Start difference. First operand 41 states and 60 transitions. Second operand 36 states. [2020-07-29 01:29:43,591 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:43,593 INFO L93 Difference]: Finished difference Result 41 states and 60 transitions. [2020-07-29 01:29:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2020-07-29 01:29:43,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:43,595 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:43,595 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 41 states and 60 transitions. [2020-07-29 01:29:43,595 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 41 states and 60 transitions. [2020-07-29 01:29:43,595 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:43,598 INFO L93 Difference]: Finished difference Result 42 states and 61 transitions. [2020-07-29 01:29:43,599 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2020-07-29 01:29:43,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:43,599 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:43,599 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:43,600 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2020-07-29 01:29:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 55 transitions. [2020-07-29 01:29:43,602 INFO L711 BuchiCegarLoop]: Abstraction has 36 states and 55 transitions. [2020-07-29 01:29:43,602 INFO L591 BuchiCegarLoop]: Abstraction has 36 states and 55 transitions. [2020-07-29 01:29:43,602 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2020-07-29 01:29:43,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 55 transitions. [2020-07-29 01:29:43,603 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 18 [2020-07-29 01:29:43,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:43,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:43,604 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:29:43,604 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:29:43,604 INFO L794 eck$LassoCheckResult]: Stem: 529#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 530#L18-2 assume !!(0 != main_~i~0); 546#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 547#L18 assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; 533#L18-2 [2020-07-29 01:29:43,604 INFO L796 eck$LassoCheckResult]: Loop: 533#L18-2 assume !!(0 != main_~i~0); 557#L10 assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; 531#L12 assume !(main_~i~0 < 0); 533#L18-2 [2020-07-29 01:29:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:43,605 INFO L82 PathProgramCache]: Analyzing trace with hash 963757, now seen corresponding path program 1 times [2020-07-29 01:29:43,605 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:43,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885388207] [2020-07-29 01:29:43,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:43,611 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:43,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:43,616 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:43,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:43,617 INFO L82 PathProgramCache]: Analyzing trace with hash 39827, now seen corresponding path program 2 times [2020-07-29 01:29:43,618 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:43,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170659293] [2020-07-29 01:29:43,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:43,622 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:43,625 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:43,626 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:43,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:43,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1353476249, now seen corresponding path program 2 times [2020-07-29 01:29:43,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:43,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292585272] [2020-07-29 01:29:43,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:43,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:43,637 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:43,639 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:43,666 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:43,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:43,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:43,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:43,667 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:43,667 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:43,667 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:43,668 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:43,668 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration5_Loop [2020-07-29 01:29:43,668 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:43,668 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:43,676 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 01:29:43,687 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 01:29:43,692 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 01:29:43,774 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:43,774 INFO L404 LassoAnalysis]: Checking for nontermination... 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 01:29:43,779 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:43,779 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 [2020-07-29 01:29:43,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:43,783 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 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:43,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:43,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:43,816 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:29:43,816 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:43,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:43,841 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:43,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:43,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:43,897 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:43,899 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:43,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:43,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:43,899 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:43,899 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:43,899 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:43,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:43,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:43,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration5_Loop [2020-07-29 01:29:43,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:43,900 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:43,911 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 01:29:43,916 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 01:29:43,925 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 01:29:44,006 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:44,006 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 01:29:44,020 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 01:29:44,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:44,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:44,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:44,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:44,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:29:44,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:44,035 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) [2020-07-29 01:29:44,085 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 01:29:44,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:44,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:44,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:44,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:44,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:44,088 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:44,089 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:44,092 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:44,096 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:29:44,097 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 01:29:44,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:44,105 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:44,105 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:44,105 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-07-29 01:29:44,134 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:44,136 INFO L393 LassoCheck]: Loop: "assume !!(0 != main_~i~0);" "assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0;" "assume !(main_~i~0 < 0);" [2020-07-29 01:29:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:44,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:44,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:44,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:44,165 INFO L280 TraceCheckUtils]: 0: Hoare triple {715#unseeded} havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; {715#unseeded} is VALID [2020-07-29 01:29:44,165 INFO L280 TraceCheckUtils]: 1: Hoare triple {715#unseeded} assume !!(0 != main_~i~0); {715#unseeded} is VALID [2020-07-29 01:29:44,165 INFO L280 TraceCheckUtils]: 2: Hoare triple {715#unseeded} assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; {715#unseeded} is VALID [2020-07-29 01:29:44,166 INFO L280 TraceCheckUtils]: 3: Hoare triple {715#unseeded} assume main_~i~0 > 0;main_~i~0 := -1 * main_~i~0; {715#unseeded} is VALID [2020-07-29 01:29:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:44,169 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 01:29:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:44,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:44,233 INFO L280 TraceCheckUtils]: 0: Hoare triple {718#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))} assume !!(0 != main_~i~0); {718#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))} is VALID [2020-07-29 01:29:44,234 INFO L280 TraceCheckUtils]: 1: Hoare triple {718#(>= oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {745#(and (<= 1 oldRank0) (<= 2 (+ oldRank0 ULTIMATE.start_main_~i~0)))} is VALID [2020-07-29 01:29:44,235 INFO L280 TraceCheckUtils]: 2: Hoare triple {745#(and (<= 1 oldRank0) (<= 2 (+ oldRank0 ULTIMATE.start_main_~i~0)))} assume !(main_~i~0 < 0); {728#(or unseeded (and (>= oldRank0 0) (> oldRank0 (* (- 1) ULTIMATE.start_main_~i~0))))} is VALID [2020-07-29 01:29:44,235 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 01:29:44,235 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:44,240 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 01:29:44,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,241 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 01:29:44,241 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 55 transitions. cyclomatic complexity: 24 Second operand 4 states. [2020-07-29 01:29:44,292 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 55 transitions. cyclomatic complexity: 24. Second operand 4 states. Result 72 states and 99 transitions. Complement of second has 5 states. [2020-07-29 01:29:44,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:44,292 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:44,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 55 transitions. cyclomatic complexity: 24 [2020-07-29 01:29:44,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:44,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:44,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:44,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:29:44,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:44,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:44,298 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 99 transitions. [2020-07-29 01:29:44,300 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 25 [2020-07-29 01:29:44,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:44,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:44,301 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 36 states and 55 transitions. cyclomatic complexity: 24 [2020-07-29 01:29:44,306 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 18 examples of accepted words. [2020-07-29 01:29:44,308 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:44,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 01:29:44,310 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:44,310 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 72 states and 99 transitions. cyclomatic complexity: 36 [2020-07-29 01:29:44,316 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 25 examples of accepted words. [2020-07-29 01:29:44,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,317 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:44,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:44,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:44,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 72 letters. Loop has 72 letters. [2020-07-29 01:29:44,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 72 letters. Loop has 72 letters. [2020-07-29 01:29:44,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 72 letters. Loop has 72 letters. [2020-07-29 01:29:44,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 36 letters. Loop has 36 letters. [2020-07-29 01:29:44,324 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 36 letters. Loop has 36 letters. [2020-07-29 01:29:44,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 36 letters. Loop has 36 letters. [2020-07-29 01:29:44,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:44,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:44,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 3 letters. Loop has 3 letters. [2020-07-29 01:29:44,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:44,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:44,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:44,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:44,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:44,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:44,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:44,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:44,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:44,331 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,335 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:44,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:44,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:44,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:44,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:44,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:44,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:44,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:44,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,344 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:44,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,345 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,347 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:44,348 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:44,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:44,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:44,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:44,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:44,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:44,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:44,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:44,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:44,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:44,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:44,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:44,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:44,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:44,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:44,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:44,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:44,359 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:44,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:44,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:44,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:44,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:44,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:44,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:44,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:44,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:44,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:44,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:44,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:44,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:44,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:44,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:44,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:44,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:44,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:44,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:44,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:44,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:44,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:44,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:44,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:44,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:44,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:44,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:44,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:44,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:44,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:44,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:44,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:44,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:44,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:44,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:44,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:44,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:44,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:44,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:44,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:44,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:44,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:44,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 36 states and 55 transitions. cyclomatic complexity: 24 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:44,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:44,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 72 states and 99 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:44,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,392 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:44,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:44,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2020-07-29 01:29:44,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 3 letters. [2020-07-29 01:29:44,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:44,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:44,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:44,395 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 99 transitions. cyclomatic complexity: 36 [2020-07-29 01:29:44,409 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 25 [2020-07-29 01:29:44,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 64 states and 91 transitions. [2020-07-29 01:29:44,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2020-07-29 01:29:44,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2020-07-29 01:29:44,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 91 transitions. [2020-07-29 01:29:44,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:44,413 INFO L688 BuchiCegarLoop]: Abstraction has 64 states and 91 transitions. [2020-07-29 01:29:44,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 91 transitions. [2020-07-29 01:29:44,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 58. [2020-07-29 01:29:44,426 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:44,426 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states and 91 transitions. Second operand 58 states. [2020-07-29 01:29:44,427 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states and 91 transitions. Second operand 58 states. [2020-07-29 01:29:44,427 INFO L87 Difference]: Start difference. First operand 64 states and 91 transitions. Second operand 58 states. [2020-07-29 01:29:44,427 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:44,436 INFO L93 Difference]: Finished difference Result 67 states and 94 transitions. [2020-07-29 01:29:44,437 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2020-07-29 01:29:44,438 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:44,438 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:44,438 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 64 states and 91 transitions. [2020-07-29 01:29:44,438 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 64 states and 91 transitions. [2020-07-29 01:29:44,439 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:44,442 INFO L93 Difference]: Finished difference Result 67 states and 94 transitions. [2020-07-29 01:29:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 94 transitions. [2020-07-29 01:29:44,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:44,448 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:44,448 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:44,448 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:44,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-07-29 01:29:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions. [2020-07-29 01:29:44,453 INFO L711 BuchiCegarLoop]: Abstraction has 58 states and 85 transitions. [2020-07-29 01:29:44,454 INFO L591 BuchiCegarLoop]: Abstraction has 58 states and 85 transitions. [2020-07-29 01:29:44,454 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2020-07-29 01:29:44,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 85 transitions. [2020-07-29 01:29:44,458 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 25 [2020-07-29 01:29:44,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:44,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:44,460 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:29:44,461 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-07-29 01:29:44,461 INFO L794 eck$LassoCheckResult]: Stem: 835#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 836#L18-2 assume !!(0 != main_~i~0); 870#L10 assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; 866#L12 assume main_~i~0 < 0; 865#L13 [2020-07-29 01:29:44,461 INFO L796 eck$LassoCheckResult]: Loop: 865#L13 assume !(main_~i~0 <= -2147483648);main_~i~0 := -1 * main_~i~0; 863#L18-2 assume !!(0 != main_~i~0); 864#L10 assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; 869#L12 assume main_~i~0 < 0; 865#L13 [2020-07-29 01:29:44,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:44,462 INFO L82 PathProgramCache]: Analyzing trace with hash 963341, now seen corresponding path program 1 times [2020-07-29 01:29:44,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:44,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950397064] [2020-07-29 01:29:44,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:44,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:44,476 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:44,481 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:44,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1559161, now seen corresponding path program 1 times [2020-07-29 01:29:44,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:44,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519503710] [2020-07-29 01:29:44,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:44,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:44,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:44,509 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:44,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:44,511 INFO L82 PathProgramCache]: Analyzing trace with hash 608049029, now seen corresponding path program 1 times [2020-07-29 01:29:44,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:44,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557529845] [2020-07-29 01:29:44,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:44,551 INFO L280 TraceCheckUtils]: 0: Hoare triple {1125#true} havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; {1125#true} is VALID [2020-07-29 01:29:44,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {1125#true} assume !!(0 != main_~i~0); {1125#true} is VALID [2020-07-29 01:29:44,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {1125#true} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {1125#true} is VALID [2020-07-29 01:29:44,553 INFO L280 TraceCheckUtils]: 3: Hoare triple {1125#true} assume main_~i~0 < 0; {1127#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} is VALID [2020-07-29 01:29:44,554 INFO L280 TraceCheckUtils]: 4: Hoare triple {1127#(<= (+ ULTIMATE.start_main_~i~0 1) 0)} assume !(main_~i~0 <= -2147483648);main_~i~0 := -1 * main_~i~0; {1128#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-29 01:29:44,554 INFO L280 TraceCheckUtils]: 5: Hoare triple {1128#(<= 1 ULTIMATE.start_main_~i~0)} assume !!(0 != main_~i~0); {1128#(<= 1 ULTIMATE.start_main_~i~0)} is VALID [2020-07-29 01:29:44,555 INFO L280 TraceCheckUtils]: 6: Hoare triple {1128#(<= 1 ULTIMATE.start_main_~i~0)} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {1126#false} is VALID [2020-07-29 01:29:44,556 INFO L280 TraceCheckUtils]: 7: Hoare triple {1126#false} assume main_~i~0 < 0; {1126#false} is VALID [2020-07-29 01:29:44,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:29:44,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557529845] [2020-07-29 01:29:44,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 01:29:44,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-29 01:29:44,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617498750] [2020-07-29 01:29:44,597 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:44,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:44,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:44,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:44,598 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:44,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:44,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:44,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:44,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration6_Loop [2020-07-29 01:29:44,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:44,598 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:44,603 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 01:29:44,610 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 01:29:44,615 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 01:29:44,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:44,709 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) [2020-07-29 01:29:44,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:44,712 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 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 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 01:29:44,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:44,740 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:29:44,859 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:44,860 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:44,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:44,861 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:44,861 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:44,861 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:44,861 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:44,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:44,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:44,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: AlternKonv.c_Iteration6_Loop [2020-07-29 01:29:44,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:44,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:44,868 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 01:29:44,876 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 01:29:44,880 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 01:29:44,962 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:44,963 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 01:29:44,969 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 01:29:44,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:44,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:44,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:44,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:44,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:44,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:44,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:44,977 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:44,980 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:29:44,981 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:29:44,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:44,984 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:44,984 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:44,984 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-07-29 01:29:45,007 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:45,014 INFO L393 LassoCheck]: Loop: "assume !(main_~i~0 <= -2147483648);main_~i~0 := -1 * main_~i~0;" "assume !!(0 != main_~i~0);" "assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0;" "assume main_~i~0 < 0;" [2020-07-29 01:29:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:45,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:45,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:45,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:45,043 INFO L280 TraceCheckUtils]: 0: Hoare triple {1129#unseeded} havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; {1129#unseeded} is VALID [2020-07-29 01:29:45,044 INFO L280 TraceCheckUtils]: 1: Hoare triple {1129#unseeded} assume !!(0 != main_~i~0); {1129#unseeded} is VALID [2020-07-29 01:29:45,044 INFO L280 TraceCheckUtils]: 2: Hoare triple {1129#unseeded} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {1129#unseeded} is VALID [2020-07-29 01:29:45,045 INFO L280 TraceCheckUtils]: 3: Hoare triple {1129#unseeded} assume main_~i~0 < 0; {1129#unseeded} is VALID [2020-07-29 01:29:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:45,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:29:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:45,054 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:45,137 INFO L280 TraceCheckUtils]: 0: Hoare triple {1132#(>= oldRank0 ULTIMATE.start_main_~i~0)} assume !(main_~i~0 <= -2147483648);main_~i~0 := -1 * main_~i~0; {1156#(<= 0 (+ oldRank0 ULTIMATE.start_main_~i~0))} is VALID [2020-07-29 01:29:45,138 INFO L280 TraceCheckUtils]: 1: Hoare triple {1156#(<= 0 (+ oldRank0 ULTIMATE.start_main_~i~0))} assume !!(0 != main_~i~0); {1156#(<= 0 (+ oldRank0 ULTIMATE.start_main_~i~0))} is VALID [2020-07-29 01:29:45,139 INFO L280 TraceCheckUtils]: 2: Hoare triple {1156#(<= 0 (+ oldRank0 ULTIMATE.start_main_~i~0))} assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; {1163#(<= 2 (+ oldRank0 ULTIMATE.start_main_~i~0))} is VALID [2020-07-29 01:29:45,140 INFO L280 TraceCheckUtils]: 3: Hoare triple {1163#(<= 2 (+ oldRank0 ULTIMATE.start_main_~i~0))} assume main_~i~0 < 0; {1142#(or (and (> oldRank0 ULTIMATE.start_main_~i~0) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:29:45,141 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 01:29:45,141 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:45,151 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 01:29:45,152 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,152 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,152 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 01:29:45,152 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 85 transitions. cyclomatic complexity: 36 Second operand 4 states. [2020-07-29 01:29:45,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 85 transitions. cyclomatic complexity: 36. Second operand 4 states. Result 220 states and 309 transitions. Complement of second has 11 states. [2020-07-29 01:29:45,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-07-29 01:29:45,346 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:45,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 85 transitions. cyclomatic complexity: 36 [2020-07-29 01:29:45,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:45,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:45,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states. [2020-07-29 01:29:45,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:45,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:45,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:45,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 220 states and 309 transitions. [2020-07-29 01:29:45,353 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 36 [2020-07-29 01:29:45,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:45,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:45,356 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 58 states and 85 transitions. cyclomatic complexity: 36 [2020-07-29 01:29:45,358 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 25 examples of accepted words. [2020-07-29 01:29:45,358 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 4 states. [2020-07-29 01:29:45,359 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-07-29 01:29:45,360 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:45,361 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 220 states and 309 transitions. cyclomatic complexity: 109 [2020-07-29 01:29:45,364 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 36 examples of accepted words. [2020-07-29 01:29:45,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:45,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:45,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,366 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:45,366 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 220 letters. Loop has 220 letters. [2020-07-29 01:29:45,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,368 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 220 letters. Loop has 220 letters. [2020-07-29 01:29:45,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 220 letters. Loop has 220 letters. [2020-07-29 01:29:45,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 58 letters. Loop has 58 letters. [2020-07-29 01:29:45,369 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 58 letters. Loop has 58 letters. [2020-07-29 01:29:45,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 58 letters. Loop has 58 letters. [2020-07-29 01:29:45,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:45,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:45,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:45,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,371 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:45,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:45,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:45,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:45,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:45,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,374 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:45,374 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:45,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:45,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:45,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,379 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:45,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:45,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:45,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:45,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:45,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:45,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:45,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:45,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:45,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,387 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:45,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:45,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 9 letters. Loop has 4 letters. [2020-07-29 01:29:45,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:45,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:45,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:45,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:45,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:45,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:45,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:45,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:45,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 7 letters. Loop has 4 letters. [2020-07-29 01:29:45,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:45,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:45,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 5 letters. Loop has 3 letters. [2020-07-29 01:29:45,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:45,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:45,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:45,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 14 letters. Loop has 6 letters. [2020-07-29 01:29:45,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 6 letters. [2020-07-29 01:29:45,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 14 letters. Loop has 6 letters. [2020-07-29 01:29:45,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 14 letters. Loop has 4 letters. [2020-07-29 01:29:45,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 4 letters. [2020-07-29 01:29:45,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 14 letters. Loop has 4 letters. [2020-07-29 01:29:45,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 16 letters. Loop has 3 letters. [2020-07-29 01:29:45,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 16 letters. Loop has 3 letters. [2020-07-29 01:29:45,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 16 letters. Loop has 3 letters. [2020-07-29 01:29:45,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 16 letters. Loop has 6 letters. [2020-07-29 01:29:45,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 16 letters. Loop has 6 letters. [2020-07-29 01:29:45,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 16 letters. Loop has 6 letters. [2020-07-29 01:29:45,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 16 letters. Loop has 3 letters. [2020-07-29 01:29:45,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 16 letters. Loop has 3 letters. [2020-07-29 01:29:45,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 16 letters. Loop has 3 letters. [2020-07-29 01:29:45,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 15 letters. Loop has 3 letters. [2020-07-29 01:29:45,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 3 letters. [2020-07-29 01:29:45,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 15 letters. Loop has 3 letters. [2020-07-29 01:29:45,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:45,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:45,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 6 letters. [2020-07-29 01:29:45,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:45,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:45,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 14 letters. Loop has 3 letters. [2020-07-29 01:29:45,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 15 letters. Loop has 6 letters. [2020-07-29 01:29:45,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,419 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 6 letters. [2020-07-29 01:29:45,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:45,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:45,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:45,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 6 letters. [2020-07-29 01:29:45,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 6 letters. [2020-07-29 01:29:45,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 8 letters. Loop has 6 letters. [2020-07-29 01:29:45,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 9 letters. Loop has 6 letters. [2020-07-29 01:29:45,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:45,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:45,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 5 letters. Loop has 6 letters. [2020-07-29 01:29:45,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:45,432 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,432 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:45,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 8 letters. Loop has 3 letters. [2020-07-29 01:29:45,433 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,433 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,434 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 7 letters. Loop has 3 letters. [2020-07-29 01:29:45,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 6 letters. Loop has 3 letters. [2020-07-29 01:29:45,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 4 letters. Loop has 6 letters. [2020-07-29 01:29:45,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:45,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,439 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:45,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 13 letters. Loop has 4 letters. [2020-07-29 01:29:45,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:45,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:45,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 4 letters. [2020-07-29 01:29:45,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 4 letters. [2020-07-29 01:29:45,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 4 letters. [2020-07-29 01:29:45,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 12 letters. Loop has 4 letters. [2020-07-29 01:29:45,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 13 letters. Loop has 3 letters. [2020-07-29 01:29:45,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,446 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:45,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 7 letters. [2020-07-29 01:29:45,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 12 letters. Loop has 3 letters. [2020-07-29 01:29:45,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 10 letters. Loop has 3 letters. [2020-07-29 01:29:45,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 58 states and 85 transitions. cyclomatic complexity: 36 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states. Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 220 states and 309 transitions. cyclomatic complexity: 109 Stem has 11 letters. Loop has 3 letters. [2020-07-29 01:29:45,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,451 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-29 01:29:45,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 26 transitions. [2020-07-29 01:29:45,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:45,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 8 letters. Loop has 4 letters. [2020-07-29 01:29:45,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 26 transitions. Stem has 4 letters. Loop has 8 letters. [2020-07-29 01:29:45,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:45,454 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 220 states and 309 transitions. cyclomatic complexity: 109 [2020-07-29 01:29:45,463 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 36 [2020-07-29 01:29:45,473 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 220 states to 185 states and 266 transitions. [2020-07-29 01:29:45,473 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2020-07-29 01:29:45,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 80 [2020-07-29 01:29:45,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 266 transitions. [2020-07-29 01:29:45,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:45,474 INFO L688 BuchiCegarLoop]: Abstraction has 185 states and 266 transitions. [2020-07-29 01:29:45,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 266 transitions. [2020-07-29 01:29:45,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 158. [2020-07-29 01:29:45,485 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:45,485 INFO L82 GeneralOperation]: Start isEquivalent. First operand 185 states and 266 transitions. Second operand 158 states. [2020-07-29 01:29:45,485 INFO L74 IsIncluded]: Start isIncluded. First operand 185 states and 266 transitions. Second operand 158 states. [2020-07-29 01:29:45,485 INFO L87 Difference]: Start difference. First operand 185 states and 266 transitions. Second operand 158 states. [2020-07-29 01:29:45,486 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:45,495 INFO L93 Difference]: Finished difference Result 198 states and 280 transitions. [2020-07-29 01:29:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 280 transitions. [2020-07-29 01:29:45,496 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:45,496 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:45,497 INFO L74 IsIncluded]: Start isIncluded. First operand 158 states. Second operand 185 states and 266 transitions. [2020-07-29 01:29:45,497 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 185 states and 266 transitions. [2020-07-29 01:29:45,497 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:45,506 INFO L93 Difference]: Finished difference Result 204 states and 286 transitions. [2020-07-29 01:29:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 286 transitions. [2020-07-29 01:29:45,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:45,508 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:45,508 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:45,508 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:45,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2020-07-29 01:29:45,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 236 transitions. [2020-07-29 01:29:45,513 INFO L711 BuchiCegarLoop]: Abstraction has 158 states and 236 transitions. [2020-07-29 01:29:45,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 01:29:45,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-29 01:29:45,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-29 01:29:45,515 INFO L87 Difference]: Start difference. First operand 158 states and 236 transitions. Second operand 4 states. [2020-07-29 01:29:45,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:29:45,582 INFO L93 Difference]: Finished difference Result 138 states and 179 transitions. [2020-07-29 01:29:45,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-29 01:29:45,583 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-29 01:29:45,592 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 01:29:45,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 138 states and 179 transitions. [2020-07-29 01:29:45,598 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 46 [2020-07-29 01:29:45,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 138 states to 128 states and 169 transitions. [2020-07-29 01:29:45,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2020-07-29 01:29:45,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2020-07-29 01:29:45,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 169 transitions. [2020-07-29 01:29:45,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-07-29 01:29:45,604 INFO L688 BuchiCegarLoop]: Abstraction has 128 states and 169 transitions. [2020-07-29 01:29:45,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 169 transitions. [2020-07-29 01:29:45,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 57. [2020-07-29 01:29:45,608 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:29:45,608 INFO L82 GeneralOperation]: Start isEquivalent. First operand 128 states and 169 transitions. Second operand 57 states. [2020-07-29 01:29:45,609 INFO L74 IsIncluded]: Start isIncluded. First operand 128 states and 169 transitions. Second operand 57 states. [2020-07-29 01:29:45,609 INFO L87 Difference]: Start difference. First operand 128 states and 169 transitions. Second operand 57 states. [2020-07-29 01:29:45,609 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:45,614 INFO L93 Difference]: Finished difference Result 130 states and 171 transitions. [2020-07-29 01:29:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 171 transitions. [2020-07-29 01:29:45,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:45,615 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:45,615 INFO L74 IsIncluded]: Start isIncluded. First operand 57 states. Second operand 128 states and 169 transitions. [2020-07-29 01:29:45,615 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 128 states and 169 transitions. [2020-07-29 01:29:45,616 INFO L149 Difference]: Subtrahend was not deterministic. Recomputing result with determinization. [2020-07-29 01:29:45,620 INFO L93 Difference]: Finished difference Result 130 states and 171 transitions. [2020-07-29 01:29:45,621 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 171 transitions. [2020-07-29 01:29:45,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:29:45,622 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:29:45,622 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:29:45,622 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:29:45,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-07-29 01:29:45,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2020-07-29 01:29:45,624 INFO L711 BuchiCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-07-29 01:29:45,624 INFO L591 BuchiCegarLoop]: Abstraction has 57 states and 80 transitions. [2020-07-29 01:29:45,625 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2020-07-29 01:29:45,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 80 transitions. [2020-07-29 01:29:45,625 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 25 [2020-07-29 01:29:45,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:45,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:45,626 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:29:45,626 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1] [2020-07-29 01:29:45,627 INFO L794 eck$LassoCheckResult]: Stem: 2370#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 2371#L18-2 assume !!(0 != main_~i~0); 2397#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 2395#L18 assume !(main_~i~0 > 0); 2368#L18-2 [2020-07-29 01:29:45,627 INFO L796 eck$LassoCheckResult]: Loop: 2368#L18-2 assume !!(0 != main_~i~0); 2364#L10 assume main_~i~0 < 0;main_~i~0 := 2 + main_~i~0; 2365#L12 assume !(main_~i~0 < 0); 2407#L18-2 assume !!(0 != main_~i~0); 2408#L10 assume !(main_~i~0 < 0);main_~i~0 := main_~i~0 - 2; 2416#L18 assume !(main_~i~0 > 0); 2368#L18-2 [2020-07-29 01:29:45,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:45,628 INFO L82 PathProgramCache]: Analyzing trace with hash 963759, now seen corresponding path program 1 times [2020-07-29 01:29:45,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:45,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732656110] [2020-07-29 01:29:45,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:45,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:45,636 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:45,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:45,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:45,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1186496604, now seen corresponding path program 1 times [2020-07-29 01:29:45,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:45,639 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609799518] [2020-07-29 01:29:45,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:45,644 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:45,647 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:45,649 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:45,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:45,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1517058698, now seen corresponding path program 1 times [2020-07-29 01:29:45,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:45,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225182106] [2020-07-29 01:29:45,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:45,657 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:45,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:45,663 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:45,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:29:45 BoogieIcfgContainer [2020-07-29 01:29:45,759 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:29:45,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:29:45,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:29:45,760 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:29:45,761 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:40" (3/4) ... [2020-07-29 01:29:45,765 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 01:29:45,814 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:29:45,815 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:29:45,818 INFO L168 Benchmark]: Toolchain (without parser) took 6343.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 957.5 MB in the beginning and 833.4 MB in the end (delta: 124.2 MB). Peak memory consumption was 344.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:45,819 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:45,820 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.40 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:45,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.39 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:45,821 INFO L168 Benchmark]: Boogie Preprocessor took 83.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:45,822 INFO L168 Benchmark]: RCFGBuilder took 323.85 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:45,823 INFO L168 Benchmark]: BuchiAutomizer took 5559.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 833.4 MB in the end (delta: 284.2 MB). Peak memory consumption was 359.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:45,823 INFO L168 Benchmark]: Witness Printer took 55.56 ms. Allocated memory is still 1.2 GB. Free memory is still 833.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:45,826 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 1.12 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.40 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 946.8 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 44.39 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -194.9 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.85 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: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5559.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.5 MB). Free memory was 1.1 GB in the beginning and 833.4 MB in the end (delta: 284.2 MB). Peak memory consumption was 359.7 MB. Max. memory is 11.5 GB. * Witness Printer took 55.56 ms. Allocated memory is still 1.2 GB. Free memory is still 833.4 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 (3 trivial, 4 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 5 locations. One deterministic module has affine ranking function -1 * i and consists of 3 locations. One deterministic module has affine ranking function i and consists of 6 locations. 3 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 57 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 3.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 7. Automata minimization 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 113 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 58 states and ocurred in iteration 5. Nontrivial modules had stage [3, 1, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/2 HoareTripleCheckerStatistics: 61 SDtfs, 74 SDslu, 3 SDs, 0 SdLazy, 138 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT3 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax181 hnf95 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf95 smp87 dnf100 smp100 tf112 neg98 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34d40c01=0, \result=0, i=-1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i != 0 [L10] COND FALSE !(i < 0) [L17] i = i-2 [L18] COND FALSE !(i > 0) Loop: [L9] COND TRUE i != 0 [L10] COND TRUE i < 0 [L11] i = i+2 [L12] COND FALSE !(i < 0) [L9] COND TRUE i != 0 [L10] COND FALSE !(i < 0) [L17] i = i-2 [L18] COND FALSE !(i > 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...