./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.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 f36e762e796a59800b85d8514c20c7f73c19b5c1 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:28:49,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:28:49,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:28:49,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:28:49,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:28:49,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:28:49,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:28:49,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:28:49,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:28:49,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:28:49,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:28:49,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:28:49,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:28:49,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:28:49,764 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:28:49,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:28:49,767 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:28:49,768 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:28:49,771 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:28:49,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:28:49,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:28:49,783 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:28:49,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:28:49,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:28:49,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:28:49,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:28:49,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:28:49,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:28:49,792 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:28:49,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:28:49,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:28:49,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:28:49,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:28:49,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:28:49,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:28:49,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:28:49,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:28:49,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:28:49,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:28:49,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:28:49,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:28:49,804 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 20:28:49,835 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:28:49,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:28:49,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:28:49,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:28:49,840 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:28:49,840 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:28:49,840 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:28:49,841 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:28:49,841 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:28:49,841 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:28:49,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:28:49,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:28:49,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:28:49,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:28:49,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:28:49,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:28:49,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:28:49,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:28:49,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:28:49,845 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:28:49,846 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:28:49,846 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:28:49,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:28:49,846 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:28:49,847 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:28:49,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:28:49,847 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:28:49,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:28:49,848 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:28:49,849 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:28:49,849 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 -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2019-11-28 20:28:50,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:28:50,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:28:50,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:28:50,200 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:28:50,201 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:28:50,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-28 20:28:50,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3d17e05/b620c5f746394375bf59eff79ca96685/FLAGade024a8f [2019-11-28 20:28:50,723 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:28:50,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-28 20:28:50,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3d17e05/b620c5f746394375bf59eff79ca96685/FLAGade024a8f [2019-11-28 20:28:51,131 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d3d17e05/b620c5f746394375bf59eff79ca96685 [2019-11-28 20:28:51,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:28:51,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:28:51,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:28:51,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:28:51,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:28:51,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1cb90c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51, skipping insertion in model container [2019-11-28 20:28:51,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:28:51,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:28:51,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:28:51,374 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:28:51,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:28:51,401 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:28:51,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51 WrapperNode [2019-11-28 20:28:51,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:28:51,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:28:51,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:28:51,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:28:51,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:28:51,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:28:51,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:28:51,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:28:51,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (1/1) ... [2019-11-28 20:28:51,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:28:51,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:28:51,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:28:51,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:28:51,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (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 [2019-11-28 20:28:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:28:51,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:28:51,699 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:28:51,699 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 20:28:51,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:51 BoogieIcfgContainer [2019-11-28 20:28:51,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:28:51,701 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:28:51,701 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:28:51,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:28:51,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:28:51,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:28:51" (1/3) ... [2019-11-28 20:28:51,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55430f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:28:51, skipping insertion in model container [2019-11-28 20:28:51,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:28:51,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:28:51" (2/3) ... [2019-11-28 20:28:51,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@55430f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:28:51, skipping insertion in model container [2019-11-28 20:28:51,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:28:51,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:51" (3/3) ... [2019-11-28 20:28:51,708 INFO L371 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2019-11-28 20:28:51,750 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:28:51,750 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:28:51,751 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:28:51,751 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:28:51,751 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:28:51,751 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:28:51,751 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:28:51,752 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:28:51,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 20:28:51,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:51,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:51,784 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:51,790 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:28:51,790 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:51,790 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:28:51,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 20:28:51,791 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:51,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:51,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:51,792 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:28:51,792 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:51,798 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2019-11-28 20:28:51,798 INFO L796 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~c~0 > 0); 3#L15true assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 8#L15-2true [2019-11-28 20:28:51,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:51,805 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 20:28:51,814 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:51,815 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925744004] [2019-11-28 20:28:51,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:51,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:51,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:51,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-28 20:28:51,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:51,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460743653] [2019-11-28 20:28:51,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:51,924 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:51,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:51,926 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-28 20:28:51,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:51,927 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574706123] [2019-11-28 20:28:51,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:51,942 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:52,040 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:52,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:52,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:52,042 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:52,042 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:52,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:52,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:52,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2019-11-28 20:28:52,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:52,044 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:52,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,234 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:52,234 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) [2019-11-28 20:28:52,242 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:52,242 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 [2019-11-28 20:28:52,255 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:52,255 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 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,273 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:52,274 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:52,278 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:52,279 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 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:52,290 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2019-11-28 20:28:52,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:52,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:52,316 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:52,317 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:52,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:52,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:52,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:52,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:52,318 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,318 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:52,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:52,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2019-11-28 20:28:52,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:52,319 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:52,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,450 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:52,458 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) [2019-11-28 20:28:52,476 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 [2019-11-28 20:28:52,479 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:52,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:52,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:52,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:52,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:52,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,505 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,516 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 [2019-11-28 20:28:52,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:52,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:52,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:52,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:52,531 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:52,531 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:28:52,541 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) [2019-11-28 20:28:52,560 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:52,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:52,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:52,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:52,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:52,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:52,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:52,572 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:52,594 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:52,595 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:52,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:52,605 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,605 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:52,606 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-28 20:28:52,612 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:52,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:52,645 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:52,646 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:52,657 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:52,658 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:52,679 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 20:28:52,680 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-28 20:28:52,720 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 6 states. [2019-11-28 20:28:52,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:52,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-28 20:28:52,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-28 20:28:52,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:52,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:28:52,726 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:52,726 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 20:28:52,727 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:52,728 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-28 20:28:52,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:52,734 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-28 20:28:52,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 20:28:52,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-28 20:28:52,736 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-28 20:28:52,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:52,736 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:52,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-28 20:28:52,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-28 20:28:52,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:52,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-28 20:28:52,758 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:52,758 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:52,758 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:28:52,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-28 20:28:52,759 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:52,759 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:52,760 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:52,760 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:28:52,760 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:52,760 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L15-2 assume !!(main_~c~0 > 0); 63#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 64#L15-2 [2019-11-28 20:28:52,761 INFO L796 eck$LassoCheckResult]: Loop: 64#L15-2 assume !!(main_~c~0 > 0); 69#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 64#L15-2 [2019-11-28 20:28:52,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:52,761 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-11-28 20:28:52,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:52,762 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158269805] [2019-11-28 20:28:52,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:52,773 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2019-11-28 20:28:52,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:52,774 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555037194] [2019-11-28 20:28:52,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:52,783 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:52,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:52,783 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2019-11-28 20:28:52,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:52,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353659785] [2019-11-28 20:28:52,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:52,800 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:52,832 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:52,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:52,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:52,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:52,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:52,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:52,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:52,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2019-11-28 20:28:52,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:52,834 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:52,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:52,916 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:52,917 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 [2019-11-28 20:28:52,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:52,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:52,943 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:52,943 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:52,961 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,977 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:52,977 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:52,987 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:52,990 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:52,990 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:52,990 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:52,990 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:52,990 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:52,990 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:52,991 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:52,991 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:52,991 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2019-11-28 20:28:52,991 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:52,991 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:52,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,168 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:53,169 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-28 20:28:53,176 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 [2019-11-28 20:28:53,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:53,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:53,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:53,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:53,189 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:53,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,196 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:53,211 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 [2019-11-28 20:28:53,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:53,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:53,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:53,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:53,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:53,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:53,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:53,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,234 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:53,234 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:53,251 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:53,251 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:53,252 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:53,252 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-11-28 20:28:53,255 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,285 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,285 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,295 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,295 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:53,310 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 [2019-11-28 20:28:53,311 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 20:28:53,330 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 11 states and 16 transitions. Complement of second has 5 states. [2019-11-28 20:28:53,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 20:28:53,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:28:53,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:53,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-28 20:28:53,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2019-11-28 20:28:53,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:53,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2019-11-28 20:28:53,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 20:28:53,336 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:28:53,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2019-11-28 20:28:53,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:53,337 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 20:28:53,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2019-11-28 20:28:53,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-28 20:28:53,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:28:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-28 20:28:53,339 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 20:28:53,339 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-28 20:28:53,339 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:28:53,340 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-28 20:28:53,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 20:28:53,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:53,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:53,341 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:28:53,341 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:53,341 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L15-2 assume !!(main_~c~0 > 0); 117#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 118#L15-2 assume !!(main_~c~0 > 0); 125#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 123#L15-2 [2019-11-28 20:28:53,342 INFO L796 eck$LassoCheckResult]: Loop: 123#L15-2 assume !!(main_~c~0 > 0); 124#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 123#L15-2 [2019-11-28 20:28:53,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,342 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2019-11-28 20:28:53,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:53,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136403660] [2019-11-28 20:28:53,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,362 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:53,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2019-11-28 20:28:53,363 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:53,364 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132173215] [2019-11-28 20:28:53,364 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,372 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2019-11-28 20:28:53,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:53,373 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947378239] [2019-11-28 20:28:53,373 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,390 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:53,417 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:53,417 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:53,418 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:53,418 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:53,418 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:53,418 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,418 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:53,418 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:53,418 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2019-11-28 20:28:53,419 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:53,419 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:53,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,502 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:53,502 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 20:28:53,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:53,514 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,518 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:53,518 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: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Exception during sending of exit command (exit): Broken pipe 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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,525 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:53,526 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2019-11-28 20:28:53,546 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:53,546 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:53,554 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:53,557 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:53,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:53,557 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:53,558 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:53,558 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:53,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:53,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:53,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2019-11-28 20:28:53,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:53,558 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:53,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,648 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:53,649 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,653 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 [2019-11-28 20:28:53,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:53,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:53,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:53,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:53,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:53,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:53,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:53,662 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:53,667 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:53,668 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 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 [2019-11-28 20:28:53,673 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:53,673 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:53,673 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:53,673 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:28:53,676 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:53,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,701 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,702 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,707 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,708 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:53,720 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 [2019-11-28 20:28:53,720 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 20:28:53,734 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-28 20:28:53,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:53,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:53,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 20:28:53,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:53,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,736 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:53,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,764 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,765 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,770 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:53,783 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:53,783 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 20:28:53,797 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 13 states and 20 transitions. Complement of second has 5 states. [2019-11-28 20:28:53,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:53,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-28 20:28:53,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:53,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,800 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:53,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,819 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,819 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:53,826 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:53,826 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:53,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:53,840 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:53,840 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-28 20:28:53,855 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 15 states and 23 transitions. Complement of second has 4 states. [2019-11-28 20:28:53,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:53,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:53,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:28:53,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-28 20:28:53,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-28 20:28:53,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-28 20:28:53,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:53,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2019-11-28 20:28:53,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:28:53,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2019-11-28 20:28:53,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 20:28:53,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:28:53,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-11-28 20:28:53,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:53,860 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-28 20:28:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-11-28 20:28:53,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2019-11-28 20:28:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:28:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-28 20:28:53,862 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-28 20:28:53,862 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-28 20:28:53,862 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-28 20:28:53,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2019-11-28 20:28:53,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:28:53,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:53,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:53,863 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:28:53,863 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:53,863 INFO L794 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 265#L15-2 [2019-11-28 20:28:53,863 INFO L796 eck$LassoCheckResult]: Loop: 265#L15-2 assume !!(main_~c~0 > 0); 264#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 265#L15-2 [2019-11-28 20:28:53,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,864 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-11-28 20:28:53,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:53,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561065419] [2019-11-28 20:28:53,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,869 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:53,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2019-11-28 20:28:53,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:53,870 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696146371] [2019-11-28 20:28:53,870 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,878 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:53,878 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2019-11-28 20:28:53,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:53,879 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127373077] [2019-11-28 20:28:53,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:53,887 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:53,926 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:53,926 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:53,926 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:53,926 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:53,926 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:53,926 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:53,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:53,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:53,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2019-11-28 20:28:53,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:53,927 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:53,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:53,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,007 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:54,007 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 20:28:54,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:54,032 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,041 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:54,041 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,059 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:54,059 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:54,080 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,092 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:54,092 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=1} Honda state: {ULTIMATE.start_main_~c~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=1}, {ULTIMATE.start_main_~c~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] 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) [2019-11-28 20:28:54,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:54,103 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) [2019-11-28 20:28:54,117 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:54,117 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,131 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:54,133 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:54,133 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:54,134 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:54,134 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:54,134 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:54,134 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,134 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:54,134 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:54,134 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2019-11-28 20:28:54,135 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:54,135 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:54,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:28:54,252 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:54,252 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) [2019-11-28 20:28:54,260 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 [2019-11-28 20:28:54,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:54,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:54,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:54,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:54,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:54,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:54,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,266 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 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,275 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 [2019-11-28 20:28:54,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:54,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:54,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:54,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:54,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:54,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:54,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:54,283 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:54,287 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:54,287 INFO L444 ModelExtractionUtils]: 0 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,292 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:54,293 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:54,293 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:54,293 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,303 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:54,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,330 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,330 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,335 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,336 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:54,336 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-28 20:28:54,337 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-11-28 20:28:54,347 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand 3 states. Result 11 states and 17 transitions. Complement of second has 5 states. [2019-11-28 20:28:54,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2019-11-28 20:28:54,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-28 20:28:54,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 20:28:54,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 20:28:54,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2019-11-28 20:28:54,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:28:54,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2019-11-28 20:28:54,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 20:28:54,351 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 20:28:54,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2019-11-28 20:28:54,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:54,352 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-11-28 20:28:54,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2019-11-28 20:28:54,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-28 20:28:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 20:28:54,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2019-11-28 20:28:54,353 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2019-11-28 20:28:54,353 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2019-11-28 20:28:54,353 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-28 20:28:54,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2019-11-28 20:28:54,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-28 20:28:54,354 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:54,354 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:54,356 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2019-11-28 20:28:54,356 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 20:28:54,356 INFO L794 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 314#L15-2 assume !!(main_~c~0 > 0); 315#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 316#L15-2 assume !!(main_~c~0 > 0); 309#L15 [2019-11-28 20:28:54,356 INFO L796 eck$LassoCheckResult]: Loop: 309#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 310#L15-2 assume !!(main_~c~0 > 0); 309#L15 [2019-11-28 20:28:54,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,357 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2019-11-28 20:28:54,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:54,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910734545] [2019-11-28 20:28:54,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:54,399 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910734545] [2019-11-28 20:28:54,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:28:54,400 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:28:54,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768185701] [2019-11-28 20:28:54,404 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:28:54,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2019-11-28 20:28:54,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:54,405 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263699746] [2019-11-28 20:28:54,406 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:54,412 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:54,438 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:54,438 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:54,438 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:54,438 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:54,438 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:54,438 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,438 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:54,438 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:54,439 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2019-11-28 20:28:54,439 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:54,439 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:54,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,455 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,515 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:54,515 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:54,522 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 29 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 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,533 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:54,533 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:54,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:54,552 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=1}, {ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=0}] Lambdas: [1, 15, 7] Nus: [1, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,559 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:54,559 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:54,568 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,578 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:54,580 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:54,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:54,580 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:54,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:54,580 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:54,580 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,580 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:54,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:54,581 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2019-11-28 20:28:54,581 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:54,581 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:54,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:54,655 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:54,656 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,668 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 [2019-11-28 20:28:54,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:54,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:54,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:54,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:54,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:54,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:54,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,676 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 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,684 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 [2019-11-28 20:28:54,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:54,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:54,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:54,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:54,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:54,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,694 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 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,701 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 [2019-11-28 20:28:54,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:54,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:54,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:54,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:54,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:54,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:54,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,708 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:54,711 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:54,712 INFO L444 ModelExtractionUtils]: 0 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 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:54,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:54,717 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:54,717 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:54,717 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2019-11-28 20:28:54,719 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:54,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,771 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,772 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,777 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,778 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:54,804 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 [2019-11-28 20:28:54,804 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-28 20:28:54,812 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 13 states and 17 transitions. Complement of second has 5 states. [2019-11-28 20:28:54,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:54,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:54,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 20:28:54,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 20:28:54,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,813 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:54,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,830 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,830 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,835 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,836 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:54,850 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:54,850 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-28 20:28:54,867 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 10 states and 14 transitions. Complement of second has 5 states. [2019-11-28 20:28:54,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:54,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:28:54,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 20:28:54,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,871 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:54,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,895 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,895 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:54,900 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:28:54,900 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:54,916 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:28:54,916 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-28 20:28:54,924 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand 3 states. Result 16 states and 20 transitions. Complement of second has 4 states. [2019-11-28 20:28:54,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 20:28:54,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-28 20:28:54,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 20:28:54,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-28 20:28:54,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-28 20:28:54,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:54,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-11-28 20:28:54,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-28 20:28:54,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2019-11-28 20:28:54,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:28:54,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-28 20:28:54,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-11-28 20:28:54,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:54,933 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-28 20:28:54,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-11-28 20:28:54,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2019-11-28 20:28:54,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:54,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-28 20:28:54,936 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 20:28:54,936 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:28:54,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:28:54,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:28:54,941 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 4 states. [2019-11-28 20:28:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:28:54,961 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-11-28 20:28:54,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:28:54,963 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2019-11-28 20:28:54,964 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:28:54,964 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2019-11-28 20:28:54,964 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:28:54,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-28 20:28:54,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-28 20:28:54,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:54,966 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-28 20:28:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-28 20:28:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-28 20:28:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-11-28 20:28:54,968 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-28 20:28:54,968 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-28 20:28:54,968 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-28 20:28:54,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-11-28 20:28:54,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-28 20:28:54,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:54,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:54,970 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2019-11-28 20:28:54,970 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2019-11-28 20:28:54,970 INFO L794 eck$LassoCheckResult]: Stem: 462#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 463#L15-2 assume !!(main_~c~0 > 0); 461#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 460#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 459#L15 [2019-11-28 20:28:54,970 INFO L796 eck$LassoCheckResult]: Loop: 459#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 460#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 459#L15 [2019-11-28 20:28:54,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,970 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2019-11-28 20:28:54,970 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:54,972 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706757869] [2019-11-28 20:28:54,972 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:54,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:54,997 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:54,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:54,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2019-11-28 20:28:54,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:54,998 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657577134] [2019-11-28 20:28:54,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:55,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:55,013 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:55,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2019-11-28 20:28:55,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:55,014 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834207280] [2019-11-28 20:28:55,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:55,028 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:55,087 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:55,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:55,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:55,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:55,087 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:55,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:55,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:55,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2019-11-28 20:28:55,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:55,088 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:55,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,153 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:55,153 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:55,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:55,165 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 37 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:55,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:55,186 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,196 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:55,199 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:55,199 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:55,199 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:55,199 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:55,200 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:55,200 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,200 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:55,200 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:55,200 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2019-11-28 20:28:55,200 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:55,201 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:55,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,218 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,277 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:55,277 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:55,284 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 [2019-11-28 20:28:55,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:55,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:55,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:55,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:55,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:55,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:55,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,291 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:55,294 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:55,294 INFO L444 ModelExtractionUtils]: 0 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:55,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:55,299 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:55,300 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:55,300 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2019-11-28 20:28:55,302 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,323 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,323 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,331 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,332 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:55,363 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 [2019-11-28 20:28:55,363 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-28 20:28:55,379 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 13 states and 16 transitions. Complement of second has 5 states. [2019-11-28 20:28:55,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:55,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:28:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-28 20:28:55,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:28:55,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,381 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:55,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,406 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,406 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,413 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,415 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:55,449 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 [2019-11-28 20:28:55,449 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-28 20:28:55,467 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 11 states and 14 transitions. Complement of second has 5 states. [2019-11-28 20:28:55,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:55,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:28:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:28:55,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:28:55,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,472 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:55,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,489 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,489 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,497 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,497 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:55,522 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:28:55,522 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-28 20:28:55,529 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 16 states and 19 transitions. Complement of second has 4 states. [2019-11-28 20:28:55,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:28:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-28 20:28:55,531 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:28:55,531 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,531 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:55,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,547 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,548 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,554 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,554 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,579 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:55,579 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:28:55,579 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-28 20:28:55,598 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand 4 states. Result 13 states and 18 transitions. Complement of second has 4 states. [2019-11-28 20:28:55,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:28:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:28:55,600 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:28:55,601 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,601 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:55,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,624 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,624 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,631 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,631 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:55,661 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:28:55,662 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-28 20:28:55,730 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. Result 72 states and 96 transitions. Complement of second has 37 states 8 powerset states29 rank states. The highest rank that occured is 5 [2019-11-28 20:28:55,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:28:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-28 20:28:55,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-28 20:28:55,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-28 20:28:55,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-28 20:28:55,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:55,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2019-11-28 20:28:55,740 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-28 20:28:55,744 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2019-11-28 20:28:55,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2019-11-28 20:28:55,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2019-11-28 20:28:55,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2019-11-28 20:28:55,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:55,744 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2019-11-28 20:28:55,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2019-11-28 20:28:55,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2019-11-28 20:28:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-28 20:28:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2019-11-28 20:28:55,748 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-11-28 20:28:55,748 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-11-28 20:28:55,748 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-28 20:28:55,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2019-11-28 20:28:55,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 20:28:55,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:55,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:55,750 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2019-11-28 20:28:55,750 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2019-11-28 20:28:55,750 INFO L794 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 828#L15-2 assume !!(main_~c~0 > 0); 825#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 824#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 823#L15 [2019-11-28 20:28:55,750 INFO L796 eck$LassoCheckResult]: Loop: 823#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 824#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 823#L15 [2019-11-28 20:28:55,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,751 INFO L82 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2019-11-28 20:28:55,751 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:55,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800282210] [2019-11-28 20:28:55,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:55,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 20:28:55,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800282210] [2019-11-28 20:28:55,794 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665396387] [2019-11-28 20:28:55,794 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2019-11-28 20:28:55,831 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-11-28 20:28:55,831 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:28:55,832 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 20:28:55,833 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:55,836 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 20:28:55,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:28:55,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-28 20:28:55,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580164547] [2019-11-28 20:28:55,838 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:28:55,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:55,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2019-11-28 20:28:55,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:55,839 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232542378] [2019-11-28 20:28:55,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:55,848 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:55,910 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:55,910 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:55,910 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:55,910 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:55,910 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:55,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:55,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:55,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2019-11-28 20:28:55,911 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:55,911 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:55,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:55,980 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:55,981 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:55,991 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:55,991 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:55,995 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:55,996 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_13=1} Honda state: {v_rep~unnamed0~0~true_13=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:56,002 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:56,003 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 43 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 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:56,021 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:56,021 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,144 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:56,147 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:56,147 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:56,147 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:56,147 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:56,147 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:56,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:56,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:56,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2019-11-28 20:28:56,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:56,148 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:56,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,225 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:56,225 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,230 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 [2019-11-28 20:28:56,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:56,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:56,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:56,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:56,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:56,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:28:56,239 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 46 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 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,249 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 [2019-11-28 20:28:56,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:56,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:56,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:56,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:56,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:56,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:56,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:56,259 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:56,265 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:56,265 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 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:56,270 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:56,270 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:56,270 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:56,270 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-28 20:28:56,272 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:56,332 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:56,333 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:56,340 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:28:56,341 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:56,373 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 20:28:56,373 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-11-28 20:28:56,409 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9. Second operand 5 states. Result 65 states and 87 transitions. Complement of second has 9 states. [2019-11-28 20:28:56,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:28:56,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-11-28 20:28:56,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-28 20:28:56,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:56,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-28 20:28:56,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:56,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-28 20:28:56,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:56,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2019-11-28 20:28:56,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 20:28:56,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2019-11-28 20:28:56,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 20:28:56,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-28 20:28:56,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2019-11-28 20:28:56,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:56,416 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2019-11-28 20:28:56,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2019-11-28 20:28:56,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2019-11-28 20:28:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-28 20:28:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2019-11-28 20:28:56,421 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2019-11-28 20:28:56,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:28:56,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:28:56,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:28:56,422 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand 5 states. [2019-11-28 20:28:56,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:28:56,441 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2019-11-28 20:28:56,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 20:28:56,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2019-11-28 20:28:56,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 20:28:56,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2019-11-28 20:28:56,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2019-11-28 20:28:56,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2019-11-28 20:28:56,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2019-11-28 20:28:56,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:56,445 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2019-11-28 20:28:56,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2019-11-28 20:28:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2019-11-28 20:28:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-28 20:28:56,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2019-11-28 20:28:56,447 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-11-28 20:28:56,447 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-11-28 20:28:56,447 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-28 20:28:56,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2019-11-28 20:28:56,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-28 20:28:56,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:56,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:56,449 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2019-11-28 20:28:56,449 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2019-11-28 20:28:56,449 INFO L794 eck$LassoCheckResult]: Stem: 1095#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1096#L15-2 assume !!(main_~c~0 > 0); 1111#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1108#L15-2 assume !!(main_~c~0 > 0); 1101#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1092#L15-2 assume !!(main_~c~0 > 0); 1102#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1100#L15-2 assume !!(main_~c~0 > 0); 1099#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1098#L15-2 assume !!(main_~c~0 > 0); 1091#L15 [2019-11-28 20:28:56,449 INFO L796 eck$LassoCheckResult]: Loop: 1091#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1092#L15-2 assume !!(main_~c~0 > 0); 1102#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1100#L15-2 assume !!(main_~c~0 > 0); 1099#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1098#L15-2 assume !!(main_~c~0 > 0); 1091#L15 [2019-11-28 20:28:56,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:56,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2019-11-28 20:28:56,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:56,450 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427034866] [2019-11-28 20:28:56,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:56,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:56,463 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:56,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2019-11-28 20:28:56,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:56,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003883644] [2019-11-28 20:28:56,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:56,474 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:56,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:56,474 INFO L82 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2019-11-28 20:28:56,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:56,475 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863887823] [2019-11-28 20:28:56,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:56,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:56,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863887823] [2019-11-28 20:28:56,541 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436906828] [2019-11-28 20:28:56,542 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-28 20:28:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:56,568 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-28 20:28:56,569 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 20:28:56,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-28 20:28:56,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2019-11-28 20:28:56,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528864750] [2019-11-28 20:28:56,678 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:56,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:56,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:56,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:56,679 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:56,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:56,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:56,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2019-11-28 20:28:56,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:56,680 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:56,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,765 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:56,765 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:56,775 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:56,776 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,780 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:56,780 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_15=1} Honda state: {v_rep~unnamed0~0~true_15=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,785 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:56,786 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:56,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:56,858 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:56,860 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:56,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:56,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:56,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:56,860 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:56,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,860 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:56,860 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:56,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2019-11-28 20:28:56,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:56,861 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:56,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:56,948 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:56,948 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,953 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 [2019-11-28 20:28:56,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:56,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:56,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:56,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:56,956 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:56,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:28:56,960 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,967 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 [2019-11-28 20:28:56,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:56,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:56,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:56,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:56,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:56,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:56,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:56,971 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:56,974 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:28:56,974 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 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Exception during sending of exit command (exit): Broken pipe Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:56,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:56,994 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:56,994 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:56,995 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-28 20:28:56,999 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:57,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,033 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,034 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,040 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,040 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:57,072 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 20:28:57,072 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-28 20:28:57,094 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 45 states and 56 transitions. Complement of second has 7 states. [2019-11-28 20:28:57,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:28:57,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-11-28 20:28:57,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-28 20:28:57,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:57,097 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:57,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,113 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,114 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,121 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,121 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,142 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:57,143 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 20:28:57,143 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-28 20:28:57,166 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 45 states and 56 transitions. Complement of second has 7 states. [2019-11-28 20:28:57,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:57,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:28:57,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-11-28 20:28:57,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-28 20:28:57,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:57,168 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:57,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,196 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,197 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,203 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,204 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:57,227 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2019-11-28 20:28:57,227 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-28 20:28:57,261 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. Second operand 5 states. Result 75 states and 99 transitions. Complement of second has 13 states. [2019-11-28 20:28:57,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:57,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:28:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-28 20:28:57,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-28 20:28:57,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:57,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2019-11-28 20:28:57,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:57,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2019-11-28 20:28:57,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:57,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2019-11-28 20:28:57,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2019-11-28 20:28:57,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2019-11-28 20:28:57,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:28:57,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-28 20:28:57,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2019-11-28 20:28:57,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:57,268 INFO L688 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2019-11-28 20:28:57,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2019-11-28 20:28:57,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2019-11-28 20:28:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-28 20:28:57,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-11-28 20:28:57,272 INFO L711 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-11-28 20:28:57,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:28:57,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-28 20:28:57,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2019-11-28 20:28:57,273 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 15 states. [2019-11-28 20:28:57,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:28:57,470 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2019-11-28 20:28:57,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-28 20:28:57,471 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 181 transitions. [2019-11-28 20:28:57,473 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2019-11-28 20:28:57,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 109 states and 145 transitions. [2019-11-28 20:28:57,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-28 20:28:57,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-11-28 20:28:57,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 145 transitions. [2019-11-28 20:28:57,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:57,475 INFO L688 BuchiCegarLoop]: Abstraction has 109 states and 145 transitions. [2019-11-28 20:28:57,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 145 transitions. [2019-11-28 20:28:57,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 33. [2019-11-28 20:28:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 20:28:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-11-28 20:28:57,480 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-11-28 20:28:57,480 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-11-28 20:28:57,480 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-28 20:28:57,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2019-11-28 20:28:57,480 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-28 20:28:57,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:57,481 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:57,481 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:28:57,481 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2019-11-28 20:28:57,481 INFO L794 eck$LassoCheckResult]: Stem: 1739#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1741#L15-2 assume !!(main_~c~0 > 0); 1755#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1752#L15-2 assume !!(main_~c~0 > 0); 1746#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1742#L15-2 [2019-11-28 20:28:57,481 INFO L796 eck$LassoCheckResult]: Loop: 1742#L15-2 assume !!(main_~c~0 > 0); 1743#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1745#L15-2 assume !!(main_~c~0 > 0); 1751#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1750#L15-2 assume !!(main_~c~0 > 0); 1735#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1736#L15-2 assume !!(main_~c~0 > 0); 1746#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1742#L15-2 [2019-11-28 20:28:57,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,482 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2019-11-28 20:28:57,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:57,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563685246] [2019-11-28 20:28:57,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,491 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:57,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2019-11-28 20:28:57,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:57,492 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093712623] [2019-11-28 20:28:57,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-28 20:28:57,518 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093712623] [2019-11-28 20:28:57,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:28:57,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:28:57,518 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076358118] [2019-11-28 20:28:57,518 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:28:57,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:28:57,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-28 20:28:57,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-28 20:28:57,519 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand 4 states. [2019-11-28 20:28:57,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:28:57,530 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-28 20:28:57,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-28 20:28:57,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2019-11-28 20:28:57,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-28 20:28:57,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2019-11-28 20:28:57,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-28 20:28:57,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-28 20:28:57,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2019-11-28 20:28:57,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:57,535 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2019-11-28 20:28:57,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2019-11-28 20:28:57,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2019-11-28 20:28:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-28 20:28:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2019-11-28 20:28:57,537 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-11-28 20:28:57,537 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-11-28 20:28:57,537 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-28 20:28:57,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2019-11-28 20:28:57,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-28 20:28:57,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:57,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:57,538 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:28:57,539 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2019-11-28 20:28:57,539 INFO L794 eck$LassoCheckResult]: Stem: 1830#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1832#L15-2 assume !!(main_~c~0 > 0); 1846#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1845#L15-2 assume !!(main_~c~0 > 0); 1838#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1833#L15-2 [2019-11-28 20:28:57,539 INFO L796 eck$LassoCheckResult]: Loop: 1833#L15-2 assume !!(main_~c~0 > 0); 1834#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1836#L15-2 assume !!(main_~c~0 > 0); 1843#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1840#L15-2 assume !!(main_~c~0 > 0); 1826#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1827#L15-2 assume !!(main_~c~0 > 0); 1844#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1841#L15-2 assume !!(main_~c~0 > 0); 1837#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1833#L15-2 [2019-11-28 20:28:57,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,539 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2019-11-28 20:28:57,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:57,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045885432] [2019-11-28 20:28:57,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,547 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:57,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,548 INFO L82 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2019-11-28 20:28:57,548 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:57,548 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581285873] [2019-11-28 20:28:57,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,559 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:57,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,560 INFO L82 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2019-11-28 20:28:57,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:57,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67406827] [2019-11-28 20:28:57,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:57,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:57,666 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:57,666 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:57,666 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:57,666 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:57,666 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:57,666 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,666 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:57,666 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:57,666 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2019-11-28 20:28:57,667 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:57,667 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:57,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,739 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:57,739 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:57,751 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:57,751 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,755 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:28:57,755 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_17=1} Honda state: {v_rep~unnamed0~0~true_17=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 56 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 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:57,760 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 57 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 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:57,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:57,777 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:57,778 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:57,778 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:57,778 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:57,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:57,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:57,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:57,779 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:57,779 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2019-11-28 20:28:57,779 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:57,779 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:57,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:57,842 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:57,843 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:57,852 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 [2019-11-28 20:28:57,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:57,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:57,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:57,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:57,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:57,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,860 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 59 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 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,868 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 [2019-11-28 20:28:57,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:57,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:57,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:57,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:57,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:57,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:57,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:57,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:57,879 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 20:28:57,879 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 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:28:57,886 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:57,887 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:57,887 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:57,887 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-28 20:28:57,889 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:57,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,911 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,911 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,922 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,923 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:57,973 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-28 20:28:57,973 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-28 20:28:57,980 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand 7 states. Result 37 states and 47 transitions. Complement of second has 5 states. [2019-11-28 20:28:57,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:28:57,981 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-28 20:28:57,981 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:57,981 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:57,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:57,998 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:57,998 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,011 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,011 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:58,058 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-28 20:28:58,058 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-28 20:28:58,072 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand 7 states. Result 37 states and 47 transitions. Complement of second has 5 states. [2019-11-28 20:28:58,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:58,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:28:58,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-28 20:28:58,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,074 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:58,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,092 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,092 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,099 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,099 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:58,144 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-28 20:28:58,144 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-28 20:28:58,153 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand 7 states. Result 46 states and 60 transitions. Complement of second has 4 states. [2019-11-28 20:28:58,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:58,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:28:58,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-28 20:28:58,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,155 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:58,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,175 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,176 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,184 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,185 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:58,234 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-28 20:28:58,234 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-28 20:28:58,265 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand 7 states. Result 63 states and 75 transitions. Complement of second has 8 states. [2019-11-28 20:28:58,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:58,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:58,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 20:28:58,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-28 20:28:58,266 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,266 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:58,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,281 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,281 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,291 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,292 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,343 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:58,344 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2019-11-28 20:28:58,344 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-28 20:28:58,393 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,393 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,394 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,394 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,395 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,428 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,428 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,428 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,429 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,429 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,429 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,429 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,430 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:58,445 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. Result 404 states and 547 transitions. Complement of second has 85 states 12 powerset states73 rank states. The highest rank that occured is 7 [2019-11-28 20:28:58,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 20:28:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2019-11-28 20:28:58,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-28 20:28:58,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2019-11-28 20:28:58,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2019-11-28 20:28:58,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2019-11-28 20:28:58,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2019-11-28 20:28:58,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2019-11-28 20:28:58,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 20:28:58,462 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-28 20:28:58,462 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2019-11-28 20:28:58,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:58,463 INFO L688 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2019-11-28 20:28:58,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2019-11-28 20:28:58,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2019-11-28 20:28:58,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-28 20:28:58,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2019-11-28 20:28:58,470 INFO L711 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2019-11-28 20:28:58,470 INFO L591 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2019-11-28 20:28:58,470 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-28 20:28:58,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2019-11-28 20:28:58,471 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2019-11-28 20:28:58,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:58,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:58,472 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:28:58,472 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2019-11-28 20:28:58,472 INFO L794 eck$LassoCheckResult]: Stem: 2823#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 2826#L15-2 assume !!(main_~c~0 > 0); 2850#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2846#L15-2 assume !!(main_~c~0 > 0); 2832#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2828#L15-2 [2019-11-28 20:28:58,472 INFO L796 eck$LassoCheckResult]: Loop: 2828#L15-2 assume !!(main_~c~0 > 0); 2829#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2881#L15-2 assume !!(main_~c~0 > 0); 2874#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2872#L15-2 assume !!(main_~c~0 > 0); 2866#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2865#L15-2 assume !!(main_~c~0 > 0); 2864#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2856#L15-2 assume !!(main_~c~0 > 0); 2835#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2847#L15-2 assume !!(main_~c~0 > 0); 2845#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2843#L15-2 assume !!(main_~c~0 > 0); 2831#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2828#L15-2 [2019-11-28 20:28:58,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,473 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2019-11-28 20:28:58,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:58,473 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537963590] [2019-11-28 20:28:58,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:58,480 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:58,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,481 INFO L82 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2019-11-28 20:28:58,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:58,481 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990551529] [2019-11-28 20:28:58,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:58,493 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:58,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,494 INFO L82 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2019-11-28 20:28:58,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:58,494 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40240930] [2019-11-28 20:28:58,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:58,519 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:58,642 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-11-28 20:28:58,654 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:58,654 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:58,654 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:58,654 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:58,654 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:58,654 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,655 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:58,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:58,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2019-11-28 20:28:58,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:58,655 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:58,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,723 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:58,723 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 61 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 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,728 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:28:58,728 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 62 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 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:28:58,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:28:58,741 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:28:58,742 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:58,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:58,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:58,743 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:58,743 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:28:58,743 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,743 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:58,743 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:58,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2019-11-28 20:28:58,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:58,744 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:58,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:58,818 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:28:58,819 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 63 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 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,830 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 [2019-11-28 20:28:58,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:58,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:58,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:58,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:58,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:58,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:28:58,836 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 64 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 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:28:58,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:58,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:58,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:58,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:58,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:28:58,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:28:58,846 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 65 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 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,852 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 [2019-11-28 20:28:58,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:28:58,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:28:58,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:28:58,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:28:58,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:28:58,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:28:58,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:28:58,856 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:28:58,858 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 20:28:58,858 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 66 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 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:58,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:28:58,862 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:28:58,862 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:28:58,862 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:28:58,864 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:28:58,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,877 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,877 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,887 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,888 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:58,951 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-28 20:28:58,952 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-28 20:28:58,957 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand 9 states. Result 104 states and 145 transitions. Complement of second has 5 states. [2019-11-28 20:28:58,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:28:58,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:28:58,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-28 20:28:58,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:58,963 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:58,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,976 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,977 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:58,990 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:28:58,990 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:59,066 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-28 20:28:59,066 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-28 20:28:59,072 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand 9 states. Result 104 states and 145 transitions. Complement of second has 5 states. [2019-11-28 20:28:59,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:59,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:28:59,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:28:59,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-28 20:28:59,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:59,073 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:59,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:59,086 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:59,086 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:59,092 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:28:59,093 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:59,168 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-28 20:28:59,168 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-28 20:28:59,175 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand 9 states. Result 146 states and 191 transitions. Complement of second has 4 states. [2019-11-28 20:28:59,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:28:59,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:28:59,177 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-28 20:28:59,177 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:59,178 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:59,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:59,192 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:59,192 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:59,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:28:59,199 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:59,267 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-28 20:28:59,267 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-28 20:28:59,319 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand 9 states. Result 172 states and 219 transitions. Complement of second has 8 states. [2019-11-28 20:28:59,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:28:59,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 20:28:59,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-28 20:28:59,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:59,321 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:28:59,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:59,336 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:28:59,337 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:28:59,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:28:59,345 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:28:59,428 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:28:59,429 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 7 loop predicates [2019-11-28 20:28:59,429 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-28 20:28:59,483 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,483 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,485 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,485 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,486 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,486 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,486 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,487 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,488 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,489 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,489 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,489 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,536 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,537 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,537 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,537 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,540 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,540 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,540 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,541 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,541 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,541 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,541 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,542 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,542 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,542 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,542 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,543 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,546 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,546 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,546 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,547 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,547 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,547 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,609 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,609 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,614 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,615 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,615 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:28:59,652 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. Result 1787 states and 2714 transitions. Complement of second has 144 states 16 powerset states128 rank states. The highest rank that occured is 7 [2019-11-28 20:28:59,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2019-11-28 20:28:59,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-28 20:28:59,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2019-11-28 20:28:59,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-28 20:28:59,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:59,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2019-11-28 20:28:59,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:59,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2019-11-28 20:28:59,660 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:28:59,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2019-11-28 20:28:59,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2019-11-28 20:28:59,683 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2019-11-28 20:28:59,684 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-28 20:28:59,684 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-28 20:28:59,684 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2019-11-28 20:28:59,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:28:59,684 INFO L688 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2019-11-28 20:28:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2019-11-28 20:28:59,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2019-11-28 20:28:59,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-11-28 20:28:59,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2019-11-28 20:28:59,699 INFO L711 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2019-11-28 20:28:59,699 INFO L591 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2019-11-28 20:28:59,699 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-28 20:28:59,699 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2019-11-28 20:28:59,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2019-11-28 20:28:59,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:28:59,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:28:59,702 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:28:59,702 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2019-11-28 20:28:59,702 INFO L794 eck$LassoCheckResult]: Stem: 5736#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 5744#L15-2 assume !!(main_~c~0 > 0); 5778#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5754#L15-2 assume !!(main_~c~0 > 0); 5750#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5745#L15-2 [2019-11-28 20:28:59,702 INFO L796 eck$LassoCheckResult]: Loop: 5745#L15-2 assume !!(main_~c~0 > 0); 5746#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5951#L15-2 assume !!(main_~c~0 > 0); 5901#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5891#L15-2 assume !!(main_~c~0 > 0); 5887#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5884#L15-2 assume !!(main_~c~0 > 0); 5881#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5867#L15-2 assume !!(main_~c~0 > 0); 5866#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5857#L15-2 assume !!(main_~c~0 > 0); 5838#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5839#L15-2 assume !!(main_~c~0 > 0); 5753#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5776#L15-2 assume !!(main_~c~0 > 0); 5755#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5752#L15-2 assume !!(main_~c~0 > 0); 5749#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5745#L15-2 [2019-11-28 20:28:59,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:59,703 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2019-11-28 20:28:59,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:59,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457172119] [2019-11-28 20:28:59,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:59,710 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:59,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:59,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2019-11-28 20:28:59,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:59,711 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322085839] [2019-11-28 20:28:59,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:59,731 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:59,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:28:59,732 INFO L82 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2019-11-28 20:28:59,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:28:59,732 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226386315] [2019-11-28 20:28:59,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:28:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:28:59,761 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:28:59,956 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2019-11-28 20:28:59,974 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:28:59,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:28:59,975 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:28:59,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:28:59,975 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:28:59,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:28:59,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:28:59,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:28:59,975 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2019-11-28 20:28:59,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:28:59,976 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:28:59,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:59,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:59,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:28:59,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:00,041 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:00,042 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:00,052 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:29:00,052 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,059 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:29:00,060 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_21=0} Honda state: {v_rep~unnamed0~0~false_21=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 68 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 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:29:00,066 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 69 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 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,073 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:29:00,073 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:29:00,079 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:29:00,081 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:29:00,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:29:00,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:29:00,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:29:00,081 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:29:00,081 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,081 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:29:00,081 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:29:00,081 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2019-11-28 20:29:00,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:29:00,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:29:00,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:00,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:00,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:00,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:00,148 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:00,148 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:00,158 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 [2019-11-28 20:29:00,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:00,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:00,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:00,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:00,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:29:00,167 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 71 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 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,172 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 [2019-11-28 20:29:00,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:00,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:00,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:00,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:00,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:00,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 20:29:00,180 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 72 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 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,185 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 [2019-11-28 20:29:00,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:00,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:00,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:00,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:00,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:00,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:00,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:29:00,189 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:29:00,191 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:29:00,192 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 73 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 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:00,196 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:29:00,196 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:29:00,196 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:29:00,196 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-28 20:29:00,198 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:29:00,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,212 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,224 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,225 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,316 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:00,317 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2019-11-28 20:29:00,317 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-28 20:29:00,323 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand 11 states. Result 276 states and 420 transitions. Complement of second has 5 states. [2019-11-28 20:29:00,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:29:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:29:00,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-28 20:29:00,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:00,325 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:00,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,337 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,338 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,346 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,347 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:00,434 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2019-11-28 20:29:00,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-28 20:29:00,441 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand 11 states. Result 276 states and 420 transitions. Complement of second has 5 states. [2019-11-28 20:29:00,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:29:00,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:29:00,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-28 20:29:00,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:00,442 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:00,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,456 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,457 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,467 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,468 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,554 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:00,555 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2019-11-28 20:29:00,555 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-28 20:29:00,563 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand 11 states. Result 392 states and 537 transitions. Complement of second has 4 states. [2019-11-28 20:29:00,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:00,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:29:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:29:00,564 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-28 20:29:00,565 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:00,565 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:00,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,582 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,595 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,596 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,711 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:00,712 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 9 loop predicates [2019-11-28 20:29:00,712 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-28 20:29:00,752 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand 11 states. Result 455 states and 606 transitions. Complement of second has 8 states. [2019-11-28 20:29:00,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:00,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:29:00,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 20:29:00,753 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-28 20:29:00,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:00,753 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:00,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,771 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,771 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:00,784 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-28 20:29:00,784 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:00,894 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:00,895 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 9 loop predicates [2019-11-28 20:29:00,895 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-28 20:29:00,947 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,953 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,955 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,955 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,956 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:00,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,003 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,003 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,005 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,005 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,005 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,006 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,007 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,007 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,007 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,007 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,007 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,008 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,008 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,008 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,008 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,009 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,010 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,011 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,011 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,011 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,011 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,011 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,012 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,012 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,013 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,014 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,014 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,014 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,016 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,016 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,016 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,016 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,016 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,017 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,017 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,017 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,017 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,017 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,018 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,018 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,019 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,020 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,020 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,020 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,021 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,022 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,022 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,022 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,022 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,023 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,023 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,023 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,023 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,023 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,024 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,024 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,082 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,082 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,082 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,084 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,085 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,085 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,085 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,085 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,085 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,090 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,091 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,092 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,092 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,092 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,092 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,092 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,093 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,093 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,093 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,093 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,095 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,096 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,096 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,096 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,096 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,097 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,100 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,100 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,100 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,100 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,101 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,101 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,101 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,101 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,101 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,103 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,106 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,106 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,109 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,109 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,196 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,196 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,196 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,198 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,199 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,199 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,199 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,199 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,199 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,201 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,201 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,201 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,201 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,201 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,202 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,202 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,202 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,202 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,202 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,203 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,203 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,203 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,203 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,203 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,204 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,204 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,206 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,207 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,207 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,207 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,207 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,207 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,210 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,210 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,210 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,210 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,210 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,210 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,211 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,211 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,211 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,211 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,211 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,212 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,212 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,212 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,212 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,212 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,213 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,213 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,214 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,215 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,215 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,215 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,215 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,216 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,216 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,216 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:01,253 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. Result 5484 states and 8953 transitions. Complement of second has 178 states 20 powerset states158 rank states. The highest rank that occured is 7 [2019-11-28 20:29:01,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:01,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-28 20:29:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2019-11-28 20:29:01,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-28 20:29:01,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:01,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2019-11-28 20:29:01,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:01,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2019-11-28 20:29:01,258 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:01,258 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2019-11-28 20:29:01,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2019-11-28 20:29:01,325 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2019-11-28 20:29:01,325 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-28 20:29:01,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-28 20:29:01,326 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2019-11-28 20:29:01,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:29:01,326 INFO L688 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2019-11-28 20:29:01,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2019-11-28 20:29:01,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2019-11-28 20:29:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-11-28 20:29:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2019-11-28 20:29:01,348 INFO L711 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2019-11-28 20:29:01,348 INFO L591 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2019-11-28 20:29:01,348 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-11-28 20:29:01,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2019-11-28 20:29:01,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-11-28 20:29:01,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:29:01,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:29:01,353 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:29:01,353 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2019-11-28 20:29:01,354 INFO L794 eck$LassoCheckResult]: Stem: 13489#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 13504#L15-2 assume !!(main_~c~0 > 0); 13615#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13513#L15-2 assume !!(main_~c~0 > 0); 13510#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13506#L15-2 [2019-11-28 20:29:01,354 INFO L796 eck$LassoCheckResult]: Loop: 13506#L15-2 assume !!(main_~c~0 > 0); 13507#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 14139#L15-2 assume !!(main_~c~0 > 0); 14003#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 14001#L15-2 assume !!(main_~c~0 > 0); 13999#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13997#L15-2 assume !!(main_~c~0 > 0); 13995#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13991#L15-2 assume !!(main_~c~0 > 0); 13989#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13987#L15-2 assume !!(main_~c~0 > 0); 13983#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13984#L15-2 assume !!(main_~c~0 > 0); 13969#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13797#L15-2 assume !!(main_~c~0 > 0); 13967#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13968#L15-2 assume !!(main_~c~0 > 0); 13515#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13517#L15-2 assume !!(main_~c~0 > 0); 13516#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13514#L15-2 assume !!(main_~c~0 > 0); 13512#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13506#L15-2 [2019-11-28 20:29:01,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:01,354 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2019-11-28 20:29:01,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:01,355 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533416003] [2019-11-28 20:29:01,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:01,361 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:01,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:01,362 INFO L82 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2019-11-28 20:29:01,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:01,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270798630] [2019-11-28 20:29:01,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:01,375 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:01,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:01,376 INFO L82 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2019-11-28 20:29:01,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:01,376 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035460053] [2019-11-28 20:29:01,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:01,391 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:01,596 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2019-11-28 20:29:01,609 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:29:01,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:29:01,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:29:01,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:29:01,609 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:29:01,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:29:01,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:29:01,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2019-11-28 20:29:01,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:29:01,610 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:29:01,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,668 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:01,668 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:29:01,672 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,676 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:29:01,676 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_23=1} Honda state: {v_rep~unnamed0~0~true_23=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:29:01,682 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,686 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:29:01,686 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_23=0} Honda state: {v_rep~unnamed0~0~false_23=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:29:01,692 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 76 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 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:29:01,701 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,708 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:29:01,710 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:29:01,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:29:01,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:29:01,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:29:01,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:29:01,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:29:01,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:29:01,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2019-11-28 20:29:01,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:29:01,711 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:29:01,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:01,779 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:01,780 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,786 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 [2019-11-28 20:29:01,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:01,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:01,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:01,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:01,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:01,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,794 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 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:29:01,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:01,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:01,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:01,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:01,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:01,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,810 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 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,816 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 [2019-11-28 20:29:01,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:01,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:01,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:01,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:01,818 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:01,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:01,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,822 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:29:01,824 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-28 20:29:01,824 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 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:01,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:29:01,831 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:29:01,831 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:29:01,831 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-28 20:29:01,833 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:01,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:01,850 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:01,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:01,861 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 20:29:01,862 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:01,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:01,980 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2019-11-28 20:29:01,980 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-28 20:29:01,992 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand 13 states. Result 692 states and 1173 transitions. Complement of second has 5 states. [2019-11-28 20:29:01,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:29:01,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:29:01,993 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-28 20:29:01,993 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:01,994 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:02,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,021 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,022 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,033 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,033 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:02,139 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 11 loop predicates [2019-11-28 20:29:02,139 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-28 20:29:02,153 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand 13 states. Result 692 states and 1173 transitions. Complement of second has 5 states. [2019-11-28 20:29:02,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:29:02,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:29:02,154 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-28 20:29:02,154 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:02,154 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:02,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:02,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,169 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,169 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,181 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,182 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:02,314 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2019-11-28 20:29:02,314 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-28 20:29:02,324 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand 13 states. Result 996 states and 1456 transitions. Complement of second has 4 states. [2019-11-28 20:29:02,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:02,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:29:02,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-28 20:29:02,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-28 20:29:02,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:02,325 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:02,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,340 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,340 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,351 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,352 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,483 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:02,483 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 11 loop predicates [2019-11-28 20:29:02,483 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-28 20:29:02,521 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand 13 states. Result 1149 states and 1623 transitions. Complement of second has 8 states. [2019-11-28 20:29:02,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:02,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:29:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 20:29:02,522 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-28 20:29:02,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:02,523 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:02,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,537 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,537 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:02,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-28 20:29:02,550 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:29:02,668 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemin loopwithout honda bouncer for stem and without honda bouncer for loop.1 stem predicates 11 loop predicates [2019-11-28 20:29:02,669 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-28 20:29:02,748 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,749 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,749 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,750 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,750 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,751 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,751 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,752 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,752 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,753 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,753 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,753 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,754 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,754 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,755 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,756 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,756 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,759 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,828 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,828 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,829 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,829 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,830 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,830 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,830 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,830 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,831 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,831 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,832 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,832 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,833 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,833 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,834 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,834 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,834 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,835 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,835 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,835 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,835 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,836 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,836 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,836 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,838 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,838 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,842 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,842 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,845 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,845 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,855 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,856 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,856 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,856 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,857 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,857 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,858 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,858 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,858 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,858 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,859 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,859 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,859 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,859 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,860 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,860 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,860 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,860 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,861 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,861 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,862 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,862 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,862 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,863 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,864 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,864 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,864 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,864 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,865 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,865 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,865 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,865 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,866 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,866 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,866 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,866 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,867 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,868 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,868 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,868 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,868 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,869 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,869 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,869 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,938 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,938 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,939 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,939 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,940 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,940 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,940 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,940 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,941 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,941 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,941 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,942 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,942 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,943 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,943 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,944 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,944 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,945 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,945 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,946 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,946 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,947 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,947 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,947 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,949 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,953 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,955 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,956 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,956 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,957 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,958 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,958 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,959 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,959 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,960 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,960 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,961 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,961 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,962 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,962 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,962 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,962 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,964 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,964 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,964 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,965 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,965 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,965 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,966 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,966 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,967 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,967 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,967 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,967 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,968 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,968 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,968 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,968 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,969 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,969 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,969 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,969 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,970 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,970 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,970 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,970 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,971 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,971 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,971 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,971 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,972 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,972 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,972 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,972 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,973 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,973 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,973 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,973 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,974 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,974 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,974 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,974 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,975 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,975 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,975 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,975 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,976 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,977 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,977 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,978 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,978 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,978 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,978 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,980 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,980 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,980 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,981 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,981 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,981 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,982 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,982 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,983 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,983 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,984 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,984 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,984 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,984 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,985 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,985 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,985 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,985 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,986 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,986 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,986 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,986 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,987 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,987 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,987 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,987 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,988 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,988 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,988 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,988 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,990 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,990 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,990 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,990 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,991 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,991 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,992 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,993 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,993 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,993 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,993 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,994 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,994 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,994 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,994 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,995 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,995 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,995 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,995 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,995 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,996 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,996 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,996 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,996 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,997 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:02,997 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,123 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,123 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,124 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,127 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,128 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,128 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,129 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,129 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,129 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,130 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,130 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,131 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,131 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,132 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,132 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,132 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,132 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,133 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,133 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,133 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,133 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,134 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,134 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,134 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,134 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,134 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,135 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,136 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,136 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,136 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,138 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,139 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,139 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,139 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,139 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,140 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,140 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,140 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,140 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,143 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,143 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,143 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,143 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,144 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,144 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,144 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,144 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,145 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,147 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,147 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,147 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,148 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,148 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,148 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,148 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,148 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,149 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,150 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,151 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,151 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,151 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,151 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,151 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,152 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,152 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,152 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,152 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,153 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,153 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,153 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,153 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,154 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,154 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,154 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,154 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,155 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,155 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,155 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,155 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,155 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,156 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,156 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,156 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,156 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,157 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,157 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,157 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,157 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,158 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,158 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,158 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,158 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,158 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,159 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,159 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,159 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,159 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,160 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,160 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,162 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,163 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,163 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,163 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,163 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,164 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,164 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,164 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,164 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,167 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,167 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,167 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,168 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,168 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,168 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,168 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,169 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,169 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,169 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,169 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,170 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,170 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,170 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,170 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,171 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,171 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,171 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,171 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,172 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,172 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,172 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,172 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,173 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,173 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,173 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,173 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,174 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,175 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,175 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,175 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,176 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,176 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,176 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,177 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,177 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,177 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,272 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,273 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,273 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,273 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,273 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,273 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,274 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,274 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,274 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,274 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,276 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,276 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,276 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,276 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,276 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,276 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,277 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,277 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,277 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,277 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,278 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,278 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,278 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,278 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,278 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,280 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,280 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,280 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,281 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,281 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,281 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,283 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,284 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,284 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,284 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,284 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,284 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,285 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,285 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,285 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,286 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,287 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,287 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,287 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,287 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,287 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,289 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,289 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,289 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,290 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,290 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,290 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,290 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,290 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,291 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,292 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,292 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,292 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,292 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,293 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,293 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,293 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,293 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,293 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,294 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,294 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,294 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,294 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,294 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,294 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,295 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,295 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,295 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,295 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,295 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,296 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,296 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,296 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,296 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,296 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,296 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,297 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,297 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,297 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,297 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,297 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,297 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,298 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,298 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,298 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,298 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,298 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,299 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,299 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,299 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,299 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,299 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,300 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,301 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,301 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,301 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,301 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,303 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,303 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,303 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,303 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,304 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,304 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,304 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,304 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,305 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,305 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,305 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,305 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,305 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,306 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,306 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,306 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,306 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-28 20:29:03,353 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. Result 14845 states and 25888 transitions. Complement of second has 212 states 24 powerset states188 rank states. The highest rank that occured is 7 [2019-11-28 20:29:03,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:03,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-28 20:29:03,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2019-11-28 20:29:03,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-28 20:29:03,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:03,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2019-11-28 20:29:03,357 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:03,357 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2019-11-28 20:29:03,362 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:03,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2019-11-28 20:29:03,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2019-11-28 20:29:03,572 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2019-11-28 20:29:03,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-28 20:29:03,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-28 20:29:03,573 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2019-11-28 20:29:03,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:29:03,574 INFO L688 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2019-11-28 20:29:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2019-11-28 20:29:03,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2019-11-28 20:29:03,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2019-11-28 20:29:03,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2019-11-28 20:29:03,661 INFO L711 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2019-11-28 20:29:03,661 INFO L591 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2019-11-28 20:29:03,661 INFO L424 BuchiCegarLoop]: ======== Iteration 14============ [2019-11-28 20:29:03,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2019-11-28 20:29:03,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-28 20:29:03,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:29:03,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:29:03,671 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-28 20:29:03,671 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2019-11-28 20:29:03,671 INFO L794 eck$LassoCheckResult]: Stem: 33239#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 33240#L15-2 assume !!(main_~c~0 > 0); 33455#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33279#L15-2 assume !!(main_~c~0 > 0); 33276#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33272#L15-2 [2019-11-28 20:29:03,672 INFO L796 eck$LassoCheckResult]: Loop: 33272#L15-2 assume !!(main_~c~0 > 0); 33273#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34829#L15-2 assume !!(main_~c~0 > 0); 34179#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34178#L15-2 assume !!(main_~c~0 > 0); 34177#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34176#L15-2 assume !!(main_~c~0 > 0); 34175#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34174#L15-2 assume !!(main_~c~0 > 0); 34173#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34172#L15-2 assume !!(main_~c~0 > 0); 34171#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34170#L15-2 assume !!(main_~c~0 > 0); 34169#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34133#L15-2 assume !!(main_~c~0 > 0); 34168#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34167#L15-2 assume !!(main_~c~0 > 0); 34166#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33612#L15-2 assume !!(main_~c~0 > 0); 34165#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34163#L15-2 assume !!(main_~c~0 > 0); 33281#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33283#L15-2 assume !!(main_~c~0 > 0); 33282#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 33280#L15-2 assume !!(main_~c~0 > 0); 33278#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33272#L15-2 [2019-11-28 20:29:03,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:03,673 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2019-11-28 20:29:03,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:03,678 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383439626] [2019-11-28 20:29:03,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:03,697 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:03,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:03,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2019-11-28 20:29:03,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:03,698 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485363782] [2019-11-28 20:29:03,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:03,732 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:03,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:03,735 INFO L82 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2019-11-28 20:29:03,735 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:29:03,735 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776467724] [2019-11-28 20:29:03,735 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:29:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:29:03,767 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:29:04,034 WARN L192 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2019-11-28 20:29:04,047 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:29:04,048 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:29:04,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:29:04,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:29:04,048 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:29:04,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:04,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:29:04,048 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:29:04,048 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2019-11-28 20:29:04,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:29:04,049 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:29:04,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,129 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:04,129 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:04,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:29:04,137 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 82 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:04,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:29:04,153 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:04,236 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:29:04,238 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:29:04,238 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:29:04,238 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:29:04,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:29:04,239 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:29:04,239 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:04,239 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:29:04,239 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:29:04,239 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2019-11-28 20:29:04,239 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:29:04,239 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:29:04,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:29:04,299 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:29:04,300 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:04,304 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 [2019-11-28 20:29:04,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:04,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:04,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:04,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:04,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 20:29:04,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:04,313 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:04,320 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 [2019-11-28 20:29:04,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:29:04,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:29:04,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:29:04,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:29:04,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:29:04,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:29:04,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:04,325 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:29:04,329 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:29:04,329 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:29:04,336 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:29:04,336 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:29:04,337 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:29:04,337 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-11-28 20:29:04,338 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:29:04,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,355 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,355 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,369 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,370 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-28 20:29:04,421 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-28 20:29:04,422 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-28 20:29:04,435 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand 8 states. Result 1668 states and 3224 transitions. Complement of second has 5 states. [2019-11-28 20:29:04,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 20:29:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:29:04,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-28 20:29:04,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:04,437 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:04,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,453 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,454 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,467 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,468 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-28 20:29:04,520 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-28 20:29:04,520 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-28 20:29:04,534 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand 8 states. Result 1668 states and 3224 transitions. Complement of second has 5 states. [2019-11-28 20:29:04,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 20:29:04,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-28 20:29:04,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-28 20:29:04,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:04,535 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,551 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,551 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,564 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,564 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-28 20:29:04,613 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-28 20:29:04,613 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-28 20:29:04,655 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand 8 states. Result 2364 states and 3787 transitions. Complement of second has 7 states. [2019-11-28 20:29:04,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:04,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 20:29:04,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-28 20:29:04,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-28 20:29:04,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:04,658 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-28 20:29:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:29:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,674 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,675 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:29:04,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-28 20:29:04,691 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:29:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-28 20:29:04,756 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and with honda bouncer for loop.1 stem predicates 6 loop predicates [2019-11-28 20:29:04,756 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-28 20:29:04,815 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand 8 states. Result 3111 states and 5286 transitions. Complement of second has 12 states. [2019-11-28 20:29:04,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-28 20:29:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 20:29:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2019-11-28 20:29:04,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-28 20:29:04,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:04,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2019-11-28 20:29:04,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:04,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2019-11-28 20:29:04,818 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:29:04,818 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2019-11-28 20:29:04,836 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:29:04,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2019-11-28 20:29:04,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:29:04,836 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:29:04,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:29:04,837 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:29:04,837 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:29:04,837 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:29:04,837 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:29:04,837 INFO L424 BuchiCegarLoop]: ======== Iteration 15============ [2019-11-28 20:29:04,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:29:04,837 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:29:04,837 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:29:04,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:29:04 BoogieIcfgContainer [2019-11-28 20:29:04,845 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:29:04,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:29:04,847 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:29:04,847 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:29:04,850 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:28:51" (3/4) ... [2019-11-28 20:29:04,853 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:29:04,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:29:04,855 INFO L168 Benchmark]: Toolchain (without parser) took 13718.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.0 MB). Free memory was 956.3 MB in the beginning and 1.4 GB in the end (delta: -401.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:29:04,856 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:29:04,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.48 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:04,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:04,857 INFO L168 Benchmark]: Boogie Preprocessor took 22.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:29:04,857 INFO L168 Benchmark]: RCFGBuilder took 194.19 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:04,859 INFO L168 Benchmark]: BuchiAutomizer took 13144.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -245.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:29:04,859 INFO L168 Benchmark]: Witness Printer took 7.18 ms. Allocated memory is still 1.4 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:29:04,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.48 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 81.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 194.19 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: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 13144.35 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 254.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -245.4 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Witness Printer took 7.18 ms. Allocated memory is still 1.4 GB. Free memory is still 1.4 GB. 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 17 terminating modules (4 trivial, 4 deterministic, 9 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function c and consists of 3 locations. One deterministic module has affine ranking function -2 * n + 211 and consists of 3 locations. One deterministic module has affine ranking function n and consists of 5 locations. One nondeterministic module has affine ranking function c and consists of 3 locations. One nondeterministic module has affine ranking function -2 * n + 211 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * n + 201 and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 7 locations. One nondeterministic module has affine ranking function n and consists of 9 locations. One nondeterministic module has affine ranking function n and consists of 11 locations. One nondeterministic module has affine ranking function n and consists of 13 locations. One nondeterministic module has affine ranking function c and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 13.1s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 6.3s. Construction of modules took 0.5s. Büchi inclusion checks took 5.5s. Highest rank in rank-based complementation 7. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 0.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 3227 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 1604 states and ocurred in iteration 13. Nontrivial modules had stage [4, 0, 3, 1, 5]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 254/414 HoareTripleCheckerStatistics: 208 SDtfs, 258 SDslu, 112 SDs, 0 SdLazy, 442 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT10 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf98 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf94 smp97 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...