./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer --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 0.1.24-678e011 [2019-11-20 05:55:24,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:55:24,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:55:24,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:55:24,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:55:24,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:55:24,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:55:24,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:55:24,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:55:24,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:55:24,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:55:24,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:55:24,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:55:24,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:55:24,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:55:24,340 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:55:24,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:55:24,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:55:24,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:55:24,353 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:55:24,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:55:24,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:55:24,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:55:24,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:55:24,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:55:24,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:55:24,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:55:24,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:55:24,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:55:24,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:55:24,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:55:24,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:55:24,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:55:24,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:55:24,376 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:55:24,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:55:24,377 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:55:24,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:55:24,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:55:24,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:55:24,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:55:24,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 05:55:24,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:55:24,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:55:24,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:55:24,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:55:24,414 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:55:24,415 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 05:55:24,415 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 05:55:24,415 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 05:55:24,415 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 05:55:24,416 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 05:55:24,416 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 05:55:24,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:55:24,416 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 05:55:24,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:55:24,417 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:55:24,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 05:55:24,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 05:55:24,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 05:55:24,418 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:55:24,418 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 05:55:24,418 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:55:24,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 05:55:24,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:55:24,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:55:24,419 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 05:55:24,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:55:24,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:55:24,420 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 05:55:24,421 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 05:55:24,421 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer 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 [2019-11-20 05:55:24,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:55:24,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:55:24,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:55:24,656 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:55:24,658 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:55:24,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-20 05:55:24,728 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/data/74f80b6bc/05476f00483b4b1dae0e94d9d5746f6e/FLAGf57cfdccd [2019-11-20 05:55:25,229 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:55:25,230 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-11-20 05:55:25,237 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/data/74f80b6bc/05476f00483b4b1dae0e94d9d5746f6e/FLAGf57cfdccd [2019-11-20 05:55:25,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/data/74f80b6bc/05476f00483b4b1dae0e94d9d5746f6e [2019-11-20 05:55:25,655 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:55:25,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:55:25,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:55:25,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:55:25,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:55:25,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:25" (1/1) ... [2019-11-20 05:55:25,666 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@467593ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:25, skipping insertion in model container [2019-11-20 05:55:25,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:55:25" (1/1) ... [2019-11-20 05:55:25,675 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:55:25,698 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:55:26,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:55:26,032 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:55:26,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:55:26,064 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:55:26,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26 WrapperNode [2019-11-20 05:55:26,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:55:26,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:55:26,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:55:26,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:55:26,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,100 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:55:26,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:55:26,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:55:26,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:55:26,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... [2019-11-20 05:55:26,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:55:26,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:55:26,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:55:26,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:55:26,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:26,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:55:26,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:55:26,333 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:55:26,333 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 05:55:26,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:26 BoogieIcfgContainer [2019-11-20 05:55:26,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:55:26,335 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 05:55:26,336 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 05:55:26,339 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 05:55:26,340 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:55:26,340 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:55:25" (1/3) ... [2019-11-20 05:55:26,341 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@704c707a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:55:26, skipping insertion in model container [2019-11-20 05:55:26,341 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:55:26,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:55:26" (2/3) ... [2019-11-20 05:55:26,342 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@704c707a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:55:26, skipping insertion in model container [2019-11-20 05:55:26,342 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 05:55:26,342 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:26" (3/3) ... [2019-11-20 05:55:26,344 INFO L371 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2019-11-20 05:55:26,394 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 05:55:26,395 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 05:55:26,395 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 05:55:26,395 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:55:26,395 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:55:26,395 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 05:55:26,395 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:55:26,396 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 05:55:26,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 05:55:26,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:55:26,433 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:26,433 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:26,439 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 05:55:26,440 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:55:26,440 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 05:55:26,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 05:55:26,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:55:26,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:26,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:26,441 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 05:55:26,442 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:55:26,450 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2019-11-20 05:55:26,450 INFO L796 eck$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 [2019-11-20 05:55:26,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 05:55:26,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:26,466 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342700916] [2019-11-20 05:55:26,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:26,550 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:26,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:26,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-20 05:55:26,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:26,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851732236] [2019-11-20 05:55:26,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:26,568 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:26,570 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-20 05:55:26,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:26,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831254571] [2019-11-20 05:55:26,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:26,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:26,662 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:26,663 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:26,663 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:26,663 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:26,663 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:26,664 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:26,664 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:26,664 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:26,664 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2019-11-20 05:55:26,664 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:26,665 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:26,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,886 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:26,887 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:26,893 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:26,893 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:26,903 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:26,903 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:26,925 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:26,925 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:26,932 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:26,932 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:26,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:26,938 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:26,956 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:26,956 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:26,968 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:26,971 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:26,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:26,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:26,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:26,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:26,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:26,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:26,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:26,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2019-11-20 05:55:26,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:26,973 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:26,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:26,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,114 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:27,120 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:27,134 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 [2019-11-20 05:55:27,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:27,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:27,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:27,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:27,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:27,150 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 [2019-11-20 05:55:27,159 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:27,174 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 [2019-11-20 05:55:27,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:27,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:27,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:27,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:27,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:27,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:27,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:27,210 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 [2019-11-20 05:55:27,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:27,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:27,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:27,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:27,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:27,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:27,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:27,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:27,245 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:27,245 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:27,260 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:27,260 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:27,260 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:27,261 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:27,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:27,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:27,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:27,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:27,314 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:27,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:27,337 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 [2019-11-20 05:55:27,338 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-20 05:55:27,380 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. [2019-11-20 05:55:27,381 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 [2019-11-20 05:55:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-11-20 05:55:27,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-20 05:55:27,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:27,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 05:55:27,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:27,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-20 05:55:27,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:27,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-20 05:55:27,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:55:27,396 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-11-20 05:55:27,397 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-20 05:55:27,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-20 05:55:27,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-11-20 05:55:27,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:27,399 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-20 05:55:27,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-11-20 05:55:27,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-11-20 05:55:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-20 05:55:27,429 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-20 05:55:27,429 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-20 05:55:27,429 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 05:55:27,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-20 05:55:27,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:55:27,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:27,430 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:27,431 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-20 05:55:27,431 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:55:27,431 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L15-2 assume !!(main_~c~0 > 0); 63#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 64#L15-2 [2019-11-20 05:55:27,431 INFO L796 eck$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 [2019-11-20 05:55:27,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,432 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-11-20 05:55:27,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:27,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436629698] [2019-11-20 05:55:27,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,444 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:27,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2019-11-20 05:55:27,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:27,446 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349395220] [2019-11-20 05:55:27,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,454 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:27,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2019-11-20 05:55:27,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:27,455 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924395364] [2019-11-20 05:55:27,456 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,469 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:27,494 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:27,494 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:27,495 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:27,495 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:27,495 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:27,495 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:27,495 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:27,495 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:27,495 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2019-11-20 05:55:27,495 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:27,495 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:27,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,579 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:27,579 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:27,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:27,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:27,597 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:27,597 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:27,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:27,605 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:27,622 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:27,622 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:27,631 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:27,633 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:27,633 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:27,633 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:27,633 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:27,633 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:27,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:27,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:27,634 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:27,634 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2019-11-20 05:55:27,634 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:27,634 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:27,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:27,751 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:27,751 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:27,766 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:27,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:27,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:27,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:27,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:27,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:27,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:27,781 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:27,798 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 [2019-11-20 05:55:27,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:27,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:27,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:27,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:27,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:27,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:27,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:27,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:27,820 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:27,820 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:27,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:27,834 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:27,835 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:27,835 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-11-20 05:55:27,838 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 [2019-11-20 05:55:27,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:27,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:27,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:27,886 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:27,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:27,906 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 [2019-11-20 05:55:27,906 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-20 05:55:27,927 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. [2019-11-20 05:55:27,928 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 [2019-11-20 05:55:27,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-20 05:55:27,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 05:55:27,929 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:27,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 05:55:27,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:27,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2019-11-20 05:55:27,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:27,930 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2019-11-20 05:55:27,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:55:27,932 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2019-11-20 05:55:27,932 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-20 05:55:27,933 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-20 05:55:27,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2019-11-20 05:55:27,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:27,933 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-20 05:55:27,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2019-11-20 05:55:27,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-11-20 05:55:27,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:55:27,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-11-20 05:55:27,935 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-20 05:55:27,935 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-11-20 05:55:27,936 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-20 05:55:27,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-11-20 05:55:27,940 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 05:55:27,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:27,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:27,941 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:27,942 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:55:27,942 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L15-2 assume !!(main_~c~0 > 0); 117#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 118#L15-2 assume !!(main_~c~0 > 0); 125#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 123#L15-2 [2019-11-20 05:55:27,942 INFO L796 eck$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 [2019-11-20 05:55:27,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,943 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2019-11-20 05:55:27,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:27,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645959155] [2019-11-20 05:55:27,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:27,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:27,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2019-11-20 05:55:27,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:27,978 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130008681] [2019-11-20 05:55:27,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:28,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,004 INFO L82 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2019-11-20 05:55:28,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:28,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467685260] [2019-11-20 05:55:28,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,037 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:28,061 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:28,061 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:28,062 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:28,062 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:28,062 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:28,062 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,062 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:28,062 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:28,062 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2019-11-20 05:55:28,063 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:28,063 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:28,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,166 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:28,166 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:28,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:28,192 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:28,192 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:28,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:28,206 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:28,226 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:28,229 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:28,246 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:28,248 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:28,248 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:28,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:28,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:28,249 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:28,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:28,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:28,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2019-11-20 05:55:28,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:28,250 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:28,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,371 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:28,371 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:28,387 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 [2019-11-20 05:55:28,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:28,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:28,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:28,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:28,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:28,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:28,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:28,405 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:28,405 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:28,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:28,432 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:28,432 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:28,432 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-11-20 05:55:28,436 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:28,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:28,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:28,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:28,473 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:28,474 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:28,488 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 [2019-11-20 05:55:28,488 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 05:55:28,507 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. [2019-11-20 05:55:28,509 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 [2019-11-20 05:55:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:28,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-20 05:55:28,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 05:55:28,510 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:28,510 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:28,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:28,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:28,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:28,554 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:28,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:28,572 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 [2019-11-20 05:55:28,573 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 05:55:28,588 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. [2019-11-20 05:55:28,590 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 [2019-11-20 05:55:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:28,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-11-20 05:55:28,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 05:55:28,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:28,591 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:28,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:28,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:28,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:28,628 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:28,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:28,645 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 [2019-11-20 05:55:28,645 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-20 05:55:28,659 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. [2019-11-20 05:55:28,661 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 [2019-11-20 05:55:28,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:28,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 05:55:28,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2019-11-20 05:55:28,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:28,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2019-11-20 05:55:28,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:28,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2019-11-20 05:55:28,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:28,663 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2019-11-20 05:55:28,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:55:28,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2019-11-20 05:55:28,665 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-20 05:55:28,665 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-20 05:55:28,665 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-11-20 05:55:28,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:28,666 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-20 05:55:28,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-11-20 05:55:28,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2019-11-20 05:55:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 05:55:28,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-11-20 05:55:28,669 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-20 05:55:28,669 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-11-20 05:55:28,669 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-20 05:55:28,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2019-11-20 05:55:28,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:55:28,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:28,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:28,671 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 05:55:28,671 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:55:28,671 INFO L794 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 265#L15-2 [2019-11-20 05:55:28,671 INFO L796 eck$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 [2019-11-20 05:55:28,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,671 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-11-20 05:55:28,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:28,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139178983] [2019-11-20 05:55:28,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,678 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:28,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2019-11-20 05:55:28,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:28,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850886341] [2019-11-20 05:55:28,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,701 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:28,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:28,702 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2019-11-20 05:55:28,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:28,702 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976981371] [2019-11-20 05:55:28,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:28,727 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:28,748 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:28,748 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:28,748 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:28,748 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:28,749 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:28,749 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,749 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:28,749 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:28,749 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2019-11-20 05:55:28,749 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:28,750 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:28,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,855 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:28,855 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:28,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:28,883 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:28,883 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,901 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:28,901 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:28,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:28,918 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 [2019-11-20 05:55:28,932 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:28,932 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:28,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:28,946 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:28,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:28,958 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 [2019-11-20 05:55:28,969 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:28,971 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:28,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:28,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:28,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:28,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:28,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:28,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:28,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:28,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2019-11-20 05:55:28,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:28,973 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:28,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:28,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,070 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:29,070 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:29,078 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 [2019-11-20 05:55:29,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:29,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:29,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:29,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:29,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:29,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:29,083 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 [2019-11-20 05:55:29,086 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:29,122 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 [2019-11-20 05:55:29,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:29,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:29,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:29,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:29,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:29,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:29,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,129 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:29,133 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:29,133 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Exception during sending of exit command (exit): Broken pipe Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:29,142 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:29,142 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:29,142 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:29,142 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 [2019-11-20 05:55:29,147 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:29,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,193 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,194 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:29,195 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 [2019-11-20 05:55:29,195 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-11-20 05:55:29,207 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. [2019-11-20 05:55:29,208 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 [2019-11-20 05:55:29,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:29,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2019-11-20 05:55:29,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-20 05:55:29,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,209 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 05:55:29,209 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-20 05:55:29,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2019-11-20 05:55:29,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:55:29,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2019-11-20 05:55:29,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-20 05:55:29,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-20 05:55:29,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2019-11-20 05:55:29,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:29,212 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-11-20 05:55:29,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2019-11-20 05:55:29,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-11-20 05:55:29,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:55:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2019-11-20 05:55:29,214 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2019-11-20 05:55:29,214 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2019-11-20 05:55:29,214 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-11-20 05:55:29,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2019-11-20 05:55:29,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-11-20 05:55:29,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:29,215 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:29,216 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2019-11-20 05:55:29,216 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 05:55:29,216 INFO L794 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 314#L15-2 assume !!(main_~c~0 > 0); 315#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 316#L15-2 assume !!(main_~c~0 > 0); 309#L15 [2019-11-20 05:55:29,217 INFO L796 eck$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 [2019-11-20 05:55:29,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,217 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2019-11-20 05:55:29,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:29,217 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742419924] [2019-11-20 05:55:29,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:29,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:29,269 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742419924] [2019-11-20 05:55:29,269 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:55:29,269 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:55:29,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920330271] [2019-11-20 05:55:29,274 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:55:29,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2019-11-20 05:55:29,274 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:29,274 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844284663] [2019-11-20 05:55:29,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,280 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:29,309 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:29,309 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:29,310 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:29,310 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:29,310 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:29,310 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,310 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:29,310 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:29,310 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2019-11-20 05:55:29,310 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:29,311 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:29,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,405 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:29,406 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:29,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:29,417 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:29,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:29,430 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,450 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:29,451 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:29,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:29,456 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:29,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:29,478 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:29,480 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:29,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:29,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:29,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:29,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:29,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:29,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:29,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2019-11-20 05:55:29,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:29,481 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:29,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,576 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:29,576 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,588 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 [2019-11-20 05:55:29,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:29,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:29,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:29,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:29,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:29,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:29,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:29,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,613 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 [2019-11-20 05:55:29,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:29,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:29,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:29,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:29,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:29,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:29,621 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,628 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 [2019-11-20 05:55:29,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:29,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:29,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:29,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:29,631 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:29,632 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:29,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:29,635 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:29,644 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:29,644 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:29,649 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:29,649 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:29,649 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:29,649 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2019-11-20 05:55:29,652 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 [2019-11-20 05:55:29,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,679 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:29,708 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 [2019-11-20 05:55:29,708 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-20 05:55:29,716 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. [2019-11-20 05:55:29,717 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 [2019-11-20 05:55:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-20 05:55:29,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 05:55:29,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,718 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:29,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,742 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:29,755 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 [2019-11-20 05:55:29,755 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-20 05:55:29,776 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. [2019-11-20 05:55:29,777 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 [2019-11-20 05:55:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:29,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 05:55:29,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,778 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:29,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:29,812 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 05:55:29,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:29,831 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 [2019-11-20 05:55:29,831 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-11-20 05:55:29,848 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. [2019-11-20 05:55:29,849 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 [2019-11-20 05:55:29,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 05:55:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-20 05:55:29,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-20 05:55:29,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-20 05:55:29,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-20 05:55:29,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:29,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-11-20 05:55:29,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-20 05:55:29,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2019-11-20 05:55:29,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-20 05:55:29,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-20 05:55:29,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-11-20 05:55:29,854 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:29,854 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-11-20 05:55:29,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-11-20 05:55:29,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2019-11-20 05:55:29,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:29,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-20 05:55:29,856 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-20 05:55:29,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:55:29,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:55:29,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:55:29,860 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 4 states. [2019-11-20 05:55:29,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:55:29,878 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-11-20 05:55:29,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:55:29,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2019-11-20 05:55:29,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 05:55:29,880 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2019-11-20 05:55:29,880 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-20 05:55:29,880 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-20 05:55:29,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-11-20 05:55:29,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:29,880 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-11-20 05:55:29,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-11-20 05:55:29,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-20 05:55:29,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-11-20 05:55:29,882 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-20 05:55:29,882 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-11-20 05:55:29,882 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-11-20 05:55:29,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-11-20 05:55:29,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-11-20 05:55:29,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:29,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:29,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2019-11-20 05:55:29,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2019-11-20 05:55:29,884 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 [2019-11-20 05:55:29,884 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 [2019-11-20 05:55:29,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,884 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2019-11-20 05:55:29,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:29,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738653754] [2019-11-20 05:55:29,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:29,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2019-11-20 05:55:29,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:29,896 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438976627] [2019-11-20 05:55:29,896 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,904 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:29,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:29,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2019-11-20 05:55:29,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:29,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203882179] [2019-11-20 05:55:29,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:29,919 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:29,958 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:29,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:29,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:29,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:29,959 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:29,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:29,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:29,959 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:29,959 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2019-11-20 05:55:29,959 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:29,959 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:29,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:29,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,035 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:30,036 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:30,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:30,042 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 38 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 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,060 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:30,060 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:30,067 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:30,069 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:30,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:30,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:30,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:30,069 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:30,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:30,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:30,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2019-11-20 05:55:30,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:30,070 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:30,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,162 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:30,162 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:30,167 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 [2019-11-20 05:55:30,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:30,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:30,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:30,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:30,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:30,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:30,170 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 [2019-11-20 05:55:30,173 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:30,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:30,176 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 40 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 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,181 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:30,182 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:30,182 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:30,182 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2019-11-20 05:55:30,183 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:30,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:30,241 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 [2019-11-20 05:55:30,241 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 05:55:30,253 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. [2019-11-20 05:55:30,254 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 [2019-11-20 05:55:30,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:55:30,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-11-20 05:55:30,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 05:55:30,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,255 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:30,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:30,322 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 [2019-11-20 05:55:30,322 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 05:55:30,345 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. [2019-11-20 05:55:30,349 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 [2019-11-20 05:55:30,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:55:30,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:30,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 05:55:30,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,349 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:30,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,378 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:30,408 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 [2019-11-20 05:55:30,408 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 05:55:30,417 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. [2019-11-20 05:55:30,417 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 [2019-11-20 05:55:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:55:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-11-20 05:55:30,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 05:55:30,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,418 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:30,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,449 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:30,489 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 [2019-11-20 05:55:30,489 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 05:55:30,513 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. [2019-11-20 05:55:30,514 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 [2019-11-20 05:55:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:55:30,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 05:55:30,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 05:55:30,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,515 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:30,574 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 [2019-11-20 05:55:30,575 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-11-20 05:55:30,641 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 [2019-11-20 05:55:30,646 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 [2019-11-20 05:55:30,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-20 05:55:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-20 05:55:30,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2019-11-20 05:55:30,648 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,648 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2019-11-20 05:55:30,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2019-11-20 05:55:30,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:30,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2019-11-20 05:55:30,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-11-20 05:55:30,658 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2019-11-20 05:55:30,658 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2019-11-20 05:55:30,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2019-11-20 05:55:30,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2019-11-20 05:55:30,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:30,659 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2019-11-20 05:55:30,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2019-11-20 05:55:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2019-11-20 05:55:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-20 05:55:30,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2019-11-20 05:55:30,662 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-11-20 05:55:30,662 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-11-20 05:55:30,662 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-11-20 05:55:30,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2019-11-20 05:55:30,663 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:55:30,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:30,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:30,663 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2019-11-20 05:55:30,664 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2019-11-20 05:55:30,664 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 [2019-11-20 05:55:30,664 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 [2019-11-20 05:55:30,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,664 INFO L82 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2019-11-20 05:55:30,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:30,665 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204483857] [2019-11-20 05:55:30,665 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:30,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:55:30,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204483857] [2019-11-20 05:55:30,703 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234501491] [2019-11-20 05:55:30,703 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:55:30,727 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-11-20 05:55:30,727 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-11-20 05:55:30,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-20 05:55:30,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:55:30,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:55:30,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-11-20 05:55:30,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89739873] [2019-11-20 05:55:30,733 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-20 05:55:30,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:30,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2019-11-20 05:55:30,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:30,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647827939] [2019-11-20 05:55:30,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:30,743 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:30,823 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:30,823 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:30,823 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:30,824 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:30,824 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:30,824 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,824 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:30,824 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:30,824 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2019-11-20 05:55:30,824 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:30,824 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:30,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:30,895 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:30,895 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 42 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 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:30,901 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:30,904 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:30,904 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 43 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 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,909 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:30,909 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:30,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:30,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:30,998 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:31,000 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:31,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:31,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:31,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:31,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:31,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:31,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:31,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:31,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2019-11-20 05:55:31,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:31,001 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:31,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,075 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:31,075 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:31,078 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 [2019-11-20 05:55:31,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:31,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:31,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:31,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:31,082 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:31,083 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:31,087 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:31,092 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 [2019-11-20 05:55:31,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:31,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:31,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:31,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:31,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:31,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:31,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:31,101 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:31,106 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:31,106 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:31,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:31,117 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:31,117 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:31,118 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:31,119 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 [2019-11-20 05:55:31,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:31,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:31,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:31,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:55:31,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:31,173 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 [2019-11-20 05:55:31,173 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-11-20 05:55:31,203 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. [2019-11-20 05:55:31,204 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 [2019-11-20 05:55:31,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 05:55:31,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-11-20 05:55:31,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2019-11-20 05:55:31,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:31,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-20 05:55:31,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:31,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2019-11-20 05:55:31,205 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:31,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2019-11-20 05:55:31,207 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:55:31,208 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2019-11-20 05:55:31,209 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-20 05:55:31,209 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-11-20 05:55:31,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2019-11-20 05:55:31,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:31,209 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2019-11-20 05:55:31,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2019-11-20 05:55:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2019-11-20 05:55:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-11-20 05:55:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2019-11-20 05:55:31,215 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2019-11-20 05:55:31,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:55:31,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:55:31,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:55:31,216 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand 5 states. [2019-11-20 05:55:31,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:55:31,231 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2019-11-20 05:55:31,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:55:31,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2019-11-20 05:55:31,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:55:31,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2019-11-20 05:55:31,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2019-11-20 05:55:31,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2019-11-20 05:55:31,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2019-11-20 05:55:31,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:31,235 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2019-11-20 05:55:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2019-11-20 05:55:31,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2019-11-20 05:55:31,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 05:55:31,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2019-11-20 05:55:31,237 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-11-20 05:55:31,237 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-11-20 05:55:31,237 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-11-20 05:55:31,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2019-11-20 05:55:31,238 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-11-20 05:55:31,238 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:31,238 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:31,239 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2019-11-20 05:55:31,239 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2019-11-20 05:55:31,239 INFO L794 eck$LassoCheckResult]: Stem: 1095#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1096#L15-2 assume !!(main_~c~0 > 0); 1111#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1108#L15-2 assume !!(main_~c~0 > 0); 1101#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1092#L15-2 assume !!(main_~c~0 > 0); 1102#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1100#L15-2 assume !!(main_~c~0 > 0); 1099#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1098#L15-2 assume !!(main_~c~0 > 0); 1091#L15 [2019-11-20 05:55:31,239 INFO L796 eck$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 [2019-11-20 05:55:31,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:31,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2019-11-20 05:55:31,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:31,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028956856] [2019-11-20 05:55:31,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:31,253 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:31,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:31,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2019-11-20 05:55:31,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:31,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864754458] [2019-11-20 05:55:31,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:31,264 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:31,265 INFO L82 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2019-11-20 05:55:31,265 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:31,265 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374358153] [2019-11-20 05:55:31,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:31,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374358153] [2019-11-20 05:55:31,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521175375] [2019-11-20 05:55:31,361 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:31,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:55:31,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:31,455 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:55:31,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-20 05:55:31,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2019-11-20 05:55:31,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513141213] [2019-11-20 05:55:31,534 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:31,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:31,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:31,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:31,535 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:31,535 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:31,535 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:31,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:31,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2019-11-20 05:55:31,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:31,535 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:31,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,615 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:31,615 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:31,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:31,630 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 [2019-11-20 05:55:31,635 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:31,636 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:31,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:31,642 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:31,658 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:31,658 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:31,733 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:31,735 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:31,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:31,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:31,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:31,735 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:31,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:31,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:31,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:31,736 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2019-11-20 05:55:31,736 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:31,736 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:31,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:31,830 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:31,830 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:31,834 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 [2019-11-20 05:55:31,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:31,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:31,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:31,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:31,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:31,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:31,841 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:31,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:55:31,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:31,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:31,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:31,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:31,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:31,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:31,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:31,852 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:31,854 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:31,855 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:31,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:31,858 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:31,858 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:31,859 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:31,861 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:31,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:31,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:31,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:31,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:55:31,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:31,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:31,938 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 [2019-11-20 05:55:31,938 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 05:55:31,966 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. [2019-11-20 05:55:31,969 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 [2019-11-20 05:55:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 05:55:31,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-11-20 05:55:31,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-20 05:55:31,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:31,970 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:32,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:32,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:55:32,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:32,062 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 [2019-11-20 05:55:32,063 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 05:55:32,088 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. [2019-11-20 05:55:32,090 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 [2019-11-20 05:55:32,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 05:55:32,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-11-20 05:55:32,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-20 05:55:32,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:32,091 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:32,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:32,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-20 05:55:32,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:32,179 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:32,180 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 [2019-11-20 05:55:32,180 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-11-20 05:55:32,225 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. [2019-11-20 05:55:32,226 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 [2019-11-20 05:55:32,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-20 05:55:32,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-11-20 05:55:32,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2019-11-20 05:55:32,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:32,227 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2019-11-20 05:55:32,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:32,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2019-11-20 05:55:32,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:32,229 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2019-11-20 05:55:32,230 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2019-11-20 05:55:32,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2019-11-20 05:55:32,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-20 05:55:32,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-11-20 05:55:32,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2019-11-20 05:55:32,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:32,233 INFO L688 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2019-11-20 05:55:32,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2019-11-20 05:55:32,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2019-11-20 05:55:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-11-20 05:55:32,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-11-20 05:55:32,237 INFO L711 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-11-20 05:55:32,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:55:32,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-20 05:55:32,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2019-11-20 05:55:32,238 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 15 states. [2019-11-20 05:55:32,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:55:32,443 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2019-11-20 05:55:32,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-20 05:55:32,444 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 181 transitions. [2019-11-20 05:55:32,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2019-11-20 05:55:32,448 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 109 states and 145 transitions. [2019-11-20 05:55:32,448 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-11-20 05:55:32,448 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-11-20 05:55:32,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 145 transitions. [2019-11-20 05:55:32,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:32,448 INFO L688 BuchiCegarLoop]: Abstraction has 109 states and 145 transitions. [2019-11-20 05:55:32,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 145 transitions. [2019-11-20 05:55:32,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 33. [2019-11-20 05:55:32,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 05:55:32,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-11-20 05:55:32,454 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-11-20 05:55:32,455 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-11-20 05:55:32,455 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-11-20 05:55:32,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2019-11-20 05:55:32,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-11-20 05:55:32,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:32,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:32,456 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:32,457 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2019-11-20 05:55:32,457 INFO L794 eck$LassoCheckResult]: Stem: 1739#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1741#L15-2 assume !!(main_~c~0 > 0); 1755#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1752#L15-2 assume !!(main_~c~0 > 0); 1746#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1742#L15-2 [2019-11-20 05:55:32,457 INFO L796 eck$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 [2019-11-20 05:55:32,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,457 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2019-11-20 05:55:32,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:32,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747488253] [2019-11-20 05:55:32,458 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,466 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:32,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2019-11-20 05:55:32,467 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:32,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618812780] [2019-11-20 05:55:32,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 05:55:32,494 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618812780] [2019-11-20 05:55:32,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:55:32,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:55:32,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51167196] [2019-11-20 05:55:32,494 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 05:55:32,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:55:32,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:55:32,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:55:32,495 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand 4 states. [2019-11-20 05:55:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:55:32,512 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-11-20 05:55:32,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:55:32,513 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2019-11-20 05:55:32,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 05:55:32,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2019-11-20 05:55:32,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-11-20 05:55:32,515 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 05:55:32,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2019-11-20 05:55:32,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:32,515 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2019-11-20 05:55:32,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2019-11-20 05:55:32,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2019-11-20 05:55:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-20 05:55:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2019-11-20 05:55:32,518 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-11-20 05:55:32,518 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-11-20 05:55:32,518 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-11-20 05:55:32,518 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2019-11-20 05:55:32,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-11-20 05:55:32,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:32,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:32,519 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:32,519 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2019-11-20 05:55:32,520 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 [2019-11-20 05:55:32,520 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 [2019-11-20 05:55:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,520 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2019-11-20 05:55:32,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:32,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714549490] [2019-11-20 05:55:32,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,528 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:32,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,529 INFO L82 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2019-11-20 05:55:32,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:32,530 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318615251] [2019-11-20 05:55:32,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,542 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:32,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,543 INFO L82 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2019-11-20 05:55:32,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:32,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31996608] [2019-11-20 05:55:32,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:32,587 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:32,670 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:32,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:32,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:32,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:32,671 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:32,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:32,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:32,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:32,671 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2019-11-20 05:55:32,671 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:32,671 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:32,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,760 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:32,760 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:32,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:32,765 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 [2019-11-20 05:55:32,770 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:32,770 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:32,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:32,777 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:32,787 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:32,788 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:32,793 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:32,794 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:32,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:32,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:32,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:32,794 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:32,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:32,795 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:32,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:32,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2019-11-20 05:55:32,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:32,795 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:32,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:32,878 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:32,878 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:32,884 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 [2019-11-20 05:55:32,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:32,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:32,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:32,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:32,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:32,888 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 [2019-11-20 05:55:32,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:32,901 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 [2019-11-20 05:55:32,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:32,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:32,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:32,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:32,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:32,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:32,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:32,909 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:32,913 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-20 05:55:32,913 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:32,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:32,922 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:32,923 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:32,923 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:32,925 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 [2019-11-20 05:55:32,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,947 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:32,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:32,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:55:32,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:33,025 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 [2019-11-20 05:55:33,025 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 05:55:33,031 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. [2019-11-20 05:55:33,031 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 [2019-11-20 05:55:33,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:33,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:33,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 05:55:33,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,032 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:33,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,052 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:33,118 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 [2019-11-20 05:55:33,118 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 05:55:33,122 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. [2019-11-20 05:55:33,123 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 [2019-11-20 05:55:33,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:33,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:33,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 05:55:33,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,123 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:33,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,146 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:33,196 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 [2019-11-20 05:55:33,196 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 05:55:33,202 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. [2019-11-20 05:55:33,203 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 [2019-11-20 05:55:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:33,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 05:55:33,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 05:55:33,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,203 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:33,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,269 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:33,269 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 [2019-11-20 05:55:33,269 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 05:55:33,310 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. [2019-11-20 05:55:33,311 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 [2019-11-20 05:55:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-20 05:55:33,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 05:55:33,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,312 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:33,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,330 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:33,389 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 [2019-11-20 05:55:33,389 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-11-20 05:55:33,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,500 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,500 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,501 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,501 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,501 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,502 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,502 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,502 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:33,512 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 [2019-11-20 05:55:33,517 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 [2019-11-20 05:55:33,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-20 05:55:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2019-11-20 05:55:33,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2019-11-20 05:55:33,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2019-11-20 05:55:33,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2019-11-20 05:55:33,523 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:33,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2019-11-20 05:55:33,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2019-11-20 05:55:33,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2019-11-20 05:55:33,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-20 05:55:33,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-11-20 05:55:33,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2019-11-20 05:55:33,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:33,533 INFO L688 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2019-11-20 05:55:33,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2019-11-20 05:55:33,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2019-11-20 05:55:33,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-11-20 05:55:33,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2019-11-20 05:55:33,541 INFO L711 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2019-11-20 05:55:33,541 INFO L591 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2019-11-20 05:55:33,541 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-11-20 05:55:33,541 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2019-11-20 05:55:33,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2019-11-20 05:55:33,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:33,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:33,543 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:33,543 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2019-11-20 05:55:33,543 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 [2019-11-20 05:55:33,544 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 [2019-11-20 05:55:33,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,544 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2019-11-20 05:55:33,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:33,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281279867] [2019-11-20 05:55:33,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:33,551 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,552 INFO L82 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2019-11-20 05:55:33,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:33,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324831452] [2019-11-20 05:55:33,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:33,566 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:33,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,567 INFO L82 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2019-11-20 05:55:33,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:33,567 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193669001] [2019-11-20 05:55:33,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:33,583 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:33,695 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2019-11-20 05:55:33,707 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:33,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:33,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:33,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:33,707 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:33,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:33,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:33,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:33,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2019-11-20 05:55:33,708 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:33,708 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:33,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,774 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:33,774 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:33,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:33,778 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:33,793 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:33,794 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:33,803 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:33,805 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:33,805 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:33,805 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:33,805 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:33,805 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:33,805 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:33,805 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:33,805 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:33,806 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2019-11-20 05:55:33,806 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:33,806 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:33,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,824 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:33,880 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:33,880 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:33,885 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 [2019-11-20 05:55:33,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:33,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:33,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:33,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:33,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:33,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:33,894 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:33,900 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 [2019-11-20 05:55:33,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:33,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:33,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:33,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:33,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:33,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:33,906 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:33,912 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 [2019-11-20 05:55:33,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:33,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:33,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:33,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:33,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:33,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:33,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:33,917 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:33,919 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-20 05:55:33,919 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:33,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:33,922 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:33,923 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:33,923 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:33,925 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:33,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:33,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:55:33,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,041 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:34,042 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 [2019-11-20 05:55:34,042 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-20 05:55:34,048 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. [2019-11-20 05:55:34,049 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 [2019-11-20 05:55:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 05:55:34,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:34,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-20 05:55:34,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,050 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,173 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:34,174 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 [2019-11-20 05:55:34,174 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-20 05:55:34,180 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. [2019-11-20 05:55:34,180 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 [2019-11-20 05:55:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 05:55:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:34,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-20 05:55:34,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,181 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:34,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:34,301 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 [2019-11-20 05:55:34,301 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-20 05:55:34,307 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. [2019-11-20 05:55:34,309 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 [2019-11-20 05:55:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 05:55:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 05:55:34,310 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-20 05:55:34,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,310 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:34,445 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 [2019-11-20 05:55:34,445 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-20 05:55:34,490 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. [2019-11-20 05:55:34,492 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 [2019-11-20 05:55:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 05:55:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-20 05:55:34,492 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-20 05:55:34,493 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,493 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:34,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:34,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-20 05:55:34,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:34,587 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 [2019-11-20 05:55:34,587 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-11-20 05:55:34,657 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,658 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,662 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,662 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,721 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,721 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,722 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,722 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,725 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,725 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,725 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,726 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,726 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,726 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,727 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,727 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,727 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,727 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,728 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,728 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,731 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,731 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,731 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,732 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,732 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,732 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,733 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,733 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,795 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,796 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,796 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,796 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,797 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,797 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,800 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,800 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,801 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,801 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,801 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,801 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,802 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,802 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,802 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,804 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,804 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,804 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,805 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,805 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,806 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,806 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:34,839 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 [2019-11-20 05:55:34,840 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 [2019-11-20 05:55:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-11-20 05:55:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2019-11-20 05:55:34,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2019-11-20 05:55:34,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2019-11-20 05:55:34,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2019-11-20 05:55:34,847 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:34,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2019-11-20 05:55:34,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2019-11-20 05:55:34,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2019-11-20 05:55:34,873 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-11-20 05:55:34,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-11-20 05:55:34,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2019-11-20 05:55:34,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:34,873 INFO L688 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2019-11-20 05:55:34,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2019-11-20 05:55:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2019-11-20 05:55:34,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-11-20 05:55:34,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2019-11-20 05:55:34,899 INFO L711 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2019-11-20 05:55:34,899 INFO L591 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2019-11-20 05:55:34,899 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-11-20 05:55:34,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2019-11-20 05:55:34,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2019-11-20 05:55:34,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:34,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:34,902 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:34,903 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2019-11-20 05:55:34,903 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 [2019-11-20 05:55:34,903 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 [2019-11-20 05:55:34,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,904 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2019-11-20 05:55:34,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:34,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808402050] [2019-11-20 05:55:34,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:34,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2019-11-20 05:55:34,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:34,926 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548769682] [2019-11-20 05:55:34,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:34,939 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:34,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:34,940 INFO L82 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2019-11-20 05:55:34,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:34,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587355344] [2019-11-20 05:55:34,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:34,955 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:35,120 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2019-11-20 05:55:35,132 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:35,132 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:35,132 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:35,132 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:35,132 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:35,132 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:35,132 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:35,132 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:35,132 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2019-11-20 05:55:35,133 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:35,133 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:35,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,195 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:35,195 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:35,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:35,210 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 [2019-11-20 05:55:35,214 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:35,215 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:35,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:35,220 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:35,228 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:35,228 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:35,235 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:35,237 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:35,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:35,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:35,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:35,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:35,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:35,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:35,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:35,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2019-11-20 05:55:35,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:35,238 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:35,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:35,304 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:35,305 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 70 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 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:35,309 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 [2019-11-20 05:55:35,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:35,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:35,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:35,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:35,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:35,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:35,318 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:35,341 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 [2019-11-20 05:55:35,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:35,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:35,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:35,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:35,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:35,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 05:55:35,351 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:35,356 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 [2019-11-20 05:55:35,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:35,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:35,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:35,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:35,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:35,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:35,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:35,361 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:35,363 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:35,363 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/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 [2019-11-20 05:55:35,367 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:35,367 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:35,367 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:35,368 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:35,369 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:35,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,498 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:35,498 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 [2019-11-20 05:55:35,498 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-20 05:55:35,514 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. [2019-11-20 05:55:35,515 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 [2019-11-20 05:55:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:55:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:35,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-20 05:55:35,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:35,516 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:35,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,534 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:35,656 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 [2019-11-20 05:55:35,656 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-20 05:55:35,671 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. [2019-11-20 05:55:35,671 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 [2019-11-20 05:55:35,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:55:35,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:35,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-20 05:55:35,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:35,672 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:35,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:35,848 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 [2019-11-20 05:55:35,848 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-20 05:55:35,858 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. [2019-11-20 05:55:35,859 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 [2019-11-20 05:55:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:55:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 05:55:35,859 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-20 05:55:35,860 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:35,860 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:35,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 05:55:35,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:36,034 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 [2019-11-20 05:55:36,035 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-20 05:55:36,082 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. [2019-11-20 05:55:36,082 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 [2019-11-20 05:55:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:55:36,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-20 05:55:36,083 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-20 05:55:36,083 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:36,083 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:36,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:36,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:36,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:36,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-11-20 05:55:36,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:36,250 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 [2019-11-20 05:55:36,250 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-11-20 05:55:36,327 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,328 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,328 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,329 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,329 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,330 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,330 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,330 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,332 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,332 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,332 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,333 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,334 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,334 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,335 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,335 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,336 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,336 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,336 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,337 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,338 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,338 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,347 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,348 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,348 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,348 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,348 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,349 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,411 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,411 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,420 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,420 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,420 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,421 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,421 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,421 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,423 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,423 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,423 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,424 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,425 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,426 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,426 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,426 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,426 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,427 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,427 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,427 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,427 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,428 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,428 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,428 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,430 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,430 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,431 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,431 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,432 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,433 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,433 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,433 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,433 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,434 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,434 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,434 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,435 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,435 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,435 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,435 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,500 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,501 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,501 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,503 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,504 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,505 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,506 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,506 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,506 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,507 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,507 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,507 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,507 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,508 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,508 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,508 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,509 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,510 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,512 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,512 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,512 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,513 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,513 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,513 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,513 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,514 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,514 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,514 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,516 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,523 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,523 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,523 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,523 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,528 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,528 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,528 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,529 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,529 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,529 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,530 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,531 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,531 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,531 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,531 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,532 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,532 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,532 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,532 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,533 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,624 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,625 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,625 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,627 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,628 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,628 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,628 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,628 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,629 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,630 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,630 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,630 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,631 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,631 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,631 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,631 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,632 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,632 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,632 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,633 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,633 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,633 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,633 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,634 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,634 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,635 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,637 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,638 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,638 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,638 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,640 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,641 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,641 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,641 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,641 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,642 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,642 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,642 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,642 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,643 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,643 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,643 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,643 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,644 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,644 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,644 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,644 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,645 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,646 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,647 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,647 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,647 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,648 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,648 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,648 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,648 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:36,689 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 [2019-11-20 05:55:36,689 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 [2019-11-20 05:55:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-11-20 05:55:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2019-11-20 05:55:36,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2019-11-20 05:55:36,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:36,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2019-11-20 05:55:36,692 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:36,693 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2019-11-20 05:55:36,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:36,695 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2019-11-20 05:55:36,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2019-11-20 05:55:36,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2019-11-20 05:55:36,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-11-20 05:55:36,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-11-20 05:55:36,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2019-11-20 05:55:36,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:36,777 INFO L688 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2019-11-20 05:55:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2019-11-20 05:55:36,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2019-11-20 05:55:36,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-11-20 05:55:36,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2019-11-20 05:55:36,805 INFO L711 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2019-11-20 05:55:36,805 INFO L591 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2019-11-20 05:55:36,805 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-11-20 05:55:36,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2019-11-20 05:55:36,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-11-20 05:55:36,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:36,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:36,811 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:36,811 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2019-11-20 05:55:36,812 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 [2019-11-20 05:55:36,812 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 [2019-11-20 05:55:36,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:36,812 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2019-11-20 05:55:36,813 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:36,813 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662402550] [2019-11-20 05:55:36,813 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:36,822 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:36,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:36,822 INFO L82 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2019-11-20 05:55:36,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:36,823 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833293876] [2019-11-20 05:55:36,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:36,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:36,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:36,850 INFO L82 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2019-11-20 05:55:36,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:36,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305603979] [2019-11-20 05:55:36,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:36,877 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:37,152 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2019-11-20 05:55:37,171 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:37,171 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:37,171 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:37,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:37,171 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:37,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:37,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:37,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:37,172 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2019-11-20 05:55:37,172 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:37,172 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:37,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,257 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:37,258 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,270 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:37,271 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 [2019-11-20 05:55:37,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:37,276 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:37,287 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 [2019-11-20 05:55:37,293 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 05:55:37,293 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:37,303 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 /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,318 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:37,318 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 [2019-11-20 05:55:37,327 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:37,329 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:37,330 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:37,330 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:37,330 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:37,330 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:37,330 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:37,330 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:37,330 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:37,330 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2019-11-20 05:55:37,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:37,331 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:37,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:37,429 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:37,430 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,438 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 [2019-11-20 05:55:37,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:37,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:37,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:37,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:37,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:37,442 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 [2019-11-20 05:55:37,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-20 05:55:37,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:37,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:37,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:37,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:37,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:37,458 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 [2019-11-20 05:55:37,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,470 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 [2019-11-20 05:55:37,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:37,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:37,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:37,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:37,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:37,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:37,474 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 [2019-11-20 05:55:37,477 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:37,480 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-20 05:55:37,480 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:37,485 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:37,485 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:37,485 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:37,485 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-11-20 05:55:37,487 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 [2019-11-20 05:55:37,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:37,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:37,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:37,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:55:37,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:37,712 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:37,712 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 [2019-11-20 05:55:37,713 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-20 05:55:37,723 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. [2019-11-20 05:55:37,723 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 [2019-11-20 05:55:37,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:55:37,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:37,725 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-20 05:55:37,725 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:37,725 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:37,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:37,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:37,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:37,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:55:37,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:37,916 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:37,916 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 [2019-11-20 05:55:37,917 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-20 05:55:37,923 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. [2019-11-20 05:55:37,925 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 [2019-11-20 05:55:37,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:55:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:37,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-20 05:55:37,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:37,926 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:37,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:37,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:37,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:37,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:55:37,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:38,145 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 [2019-11-20 05:55:38,145 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-20 05:55:38,163 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. [2019-11-20 05:55:38,164 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 [2019-11-20 05:55:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:55:38,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-11-20 05:55:38,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-20 05:55:38,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:38,165 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:38,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:38,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:38,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:38,189 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:38,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:38,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:55:38,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:38,355 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 [2019-11-20 05:55:38,356 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-20 05:55:38,402 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. [2019-11-20 05:55:38,404 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 [2019-11-20 05:55:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:55:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-20 05:55:38,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-20 05:55:38,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:38,405 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:38,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:38,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:38,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:38,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 05:55:38,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:55:38,589 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 [2019-11-20 05:55:38,589 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-11-20 05:55:38,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,683 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,683 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,684 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,684 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,685 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,685 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,685 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,686 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,686 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,686 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,686 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,687 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,687 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,687 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,687 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,688 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,688 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,688 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,689 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,689 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,690 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,690 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,691 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,691 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,691 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,691 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,692 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,692 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,692 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,693 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,693 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,694 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,694 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,694 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,694 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,695 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,695 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,696 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,696 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,696 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,696 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,778 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,778 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,779 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,779 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,779 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,780 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,780 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,781 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,781 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,781 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,781 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,782 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,782 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,782 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,782 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,783 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,783 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,783 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,783 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,783 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,784 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,784 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,784 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,784 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,785 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,785 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,785 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,785 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,786 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,786 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,786 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,786 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,788 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,788 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,788 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,788 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,789 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,790 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,790 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,790 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,791 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,791 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,792 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,792 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,792 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,793 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,793 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,793 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,793 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,794 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,794 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,794 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,794 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,794 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,795 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,795 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,796 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,796 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,797 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,797 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,798 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,798 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,798 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,799 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,799 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,799 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,799 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,800 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,800 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,800 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,800 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,801 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,802 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,802 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,802 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,803 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,804 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,893 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,894 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,894 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,895 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,895 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,896 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,896 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,896 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,896 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,896 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,897 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,897 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,898 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,898 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,898 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,899 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,900 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,900 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,901 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,901 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,901 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,902 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,903 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,903 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,904 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,905 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,905 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,905 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,905 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,906 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,906 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,906 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,906 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,907 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,907 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,907 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,908 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,908 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,909 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,910 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,911 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,911 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,911 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,911 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,912 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,913 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,913 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,914 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,914 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,914 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,914 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,915 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,916 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,916 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,917 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,917 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,917 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,919 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,919 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,920 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,920 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,920 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,920 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,922 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,922 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,922 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,922 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,923 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,923 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,924 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,924 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,924 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,925 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,925 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,925 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,925 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,925 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,926 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,926 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,926 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,926 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,927 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,927 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,927 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,927 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,928 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,928 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,928 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,928 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,928 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,929 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,929 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,929 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,929 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,930 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,930 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,930 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,930 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,931 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,931 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,931 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,931 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,931 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,932 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,932 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,932 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,932 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,933 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,934 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,934 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,935 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,935 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,935 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,935 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,937 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,937 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,937 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,938 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,938 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,938 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,939 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,939 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,940 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,940 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,941 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,941 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,941 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,942 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,942 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,942 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,942 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,943 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,943 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,943 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,943 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,944 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,944 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,944 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,944 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,945 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,945 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,945 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,945 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,946 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,947 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,947 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,948 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,950 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,951 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,952 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,953 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,953 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,953 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,953 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,954 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,955 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:38,955 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,077 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,078 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,078 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,079 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,080 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,080 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,080 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,081 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,081 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,081 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,082 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,082 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,083 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,083 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,083 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,084 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,084 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,085 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,086 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,086 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,086 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,087 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,088 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,089 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,090 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,090 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,090 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,091 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,091 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,092 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,093 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,094 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,094 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,094 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,094 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,095 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,095 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,095 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,095 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,097 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,098 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,098 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,098 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,098 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,099 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,101 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,102 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,103 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,103 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,103 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,103 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,105 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,106 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,106 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,106 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,107 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,108 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,109 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,109 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,109 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,109 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,110 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,110 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,110 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,110 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,111 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,111 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,111 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,111 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,112 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,112 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,112 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,112 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,113 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,113 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,113 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,113 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,114 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,114 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,114 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,114 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,114 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,115 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,115 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,117 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,117 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,118 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,118 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,118 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,118 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,119 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,119 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,119 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,121 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,122 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,122 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,122 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,122 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,123 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,123 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,123 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,123 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,124 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,124 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,124 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,124 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,125 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,126 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,127 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,127 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,127 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,127 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,128 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,128 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,129 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,129 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,130 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,130 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,130 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,131 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,131 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,131 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,131 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,132 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,233 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,233 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,234 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,235 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,235 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,235 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,235 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,236 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,236 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,236 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,236 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,236 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,237 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,238 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,238 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,239 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,239 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,239 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,239 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,240 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,240 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,240 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,241 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,241 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,241 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,241 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,242 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,242 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,243 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,244 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,244 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,244 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,244 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,245 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,247 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,247 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,247 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,247 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,248 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,248 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,248 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,248 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,248 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,250 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,250 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,250 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,251 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,251 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,251 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,253 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,253 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,254 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,254 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,254 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,254 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,254 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,255 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,255 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,256 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,256 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,257 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,257 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,257 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,257 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,257 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,258 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,258 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,258 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,258 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,259 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,259 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,259 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,259 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,259 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,260 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,260 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,260 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,260 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,260 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,261 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,261 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,261 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,261 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,261 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,262 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,262 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,262 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,262 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,262 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,263 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,263 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,263 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,263 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,263 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,264 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,264 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,264 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,264 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,264 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,265 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,266 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,266 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,266 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,267 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,267 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,268 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,268 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,269 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,269 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,269 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,269 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,270 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,270 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,270 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,270 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,270 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,271 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,272 WARN L278 uchiComplementFKVNwa]: big8 [2019-11-20 05:55:39,318 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 [2019-11-20 05:55:39,318 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 [2019-11-20 05:55:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:55:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2019-11-20 05:55:39,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2019-11-20 05:55:39,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:39,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2019-11-20 05:55:39,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:39,323 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2019-11-20 05:55:39,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:39,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2019-11-20 05:55:39,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2019-11-20 05:55:39,490 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2019-11-20 05:55:39,491 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-20 05:55:39,491 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-11-20 05:55:39,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2019-11-20 05:55:39,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-20 05:55:39,492 INFO L688 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2019-11-20 05:55:39,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2019-11-20 05:55:39,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2019-11-20 05:55:39,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2019-11-20 05:55:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2019-11-20 05:55:39,559 INFO L711 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2019-11-20 05:55:39,559 INFO L591 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2019-11-20 05:55:39,559 INFO L424 BuchiCegarLoop]: ======== Iteration 14============ [2019-11-20 05:55:39,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2019-11-20 05:55:39,566 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-11-20 05:55:39,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 05:55:39,567 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 05:55:39,568 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-11-20 05:55:39,568 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2019-11-20 05:55:39,569 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 [2019-11-20 05:55:39,570 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 [2019-11-20 05:55:39,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:39,570 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2019-11-20 05:55:39,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:39,571 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006930028] [2019-11-20 05:55:39,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:39,580 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:39,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:39,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2019-11-20 05:55:39,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:39,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219505498] [2019-11-20 05:55:39,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:39,611 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:39,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:39,613 INFO L82 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2019-11-20 05:55:39,615 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:55:39,616 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078253552] [2019-11-20 05:55:39,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:55:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:55:39,646 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:55:40,006 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2019-11-20 05:55:40,029 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:40,029 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:40,029 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:40,029 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:40,030 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 05:55:40,030 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:40,030 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:40,030 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:40,030 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2019-11-20 05:55:40,030 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:40,030 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:40,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,090 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:40,091 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 82 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 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:40,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 05:55:40,095 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 83 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 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:40,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 05:55:40,107 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 05:55:40,163 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 05:55:40,164 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 05:55:40,164 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 05:55:40,164 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 05:55:40,164 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 05:55:40,165 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 05:55:40,165 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:40,165 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 05:55:40,165 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 05:55:40,165 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2019-11-20 05:55:40,165 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 05:55:40,165 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 05:55:40,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,168 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 05:55:40,236 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 05:55:40,237 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-20 05:55:40,249 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 [2019-11-20 05:55:40,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:40,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:40,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:40,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:40,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 05:55:40,255 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 [2019-11-20 05:55:40,259 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 85 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 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:40,266 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 [2019-11-20 05:55:40,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 05:55:40,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 05:55:40,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 05:55:40,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 05:55:40,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 05:55:40,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 05:55:40,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 05:55:40,270 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 05:55:40,273 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 05:55:40,273 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c9fddc19-0c01-42ee-8b79-9a3a4274225a/bin/uautomizer/z3 Starting monitored process 86 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 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 05:55:40,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 05:55:40,277 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 05:55:40,277 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 05:55:40,277 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-11-20 05:55:40,278 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-20 05:55:40,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,294 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,365 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 05:55:40,366 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 [2019-11-20 05:55:40,366 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-20 05:55:40,378 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. [2019-11-20 05:55:40,379 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 [2019-11-20 05:55:40,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:55:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:40,379 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-20 05:55:40,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:40,380 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 05:55:40,458 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 [2019-11-20 05:55:40,458 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-20 05:55:40,475 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. [2019-11-20 05:55:40,475 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 [2019-11-20 05:55:40,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:55:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-11-20 05:55:40,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-20 05:55:40,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:40,476 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,582 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 05:55:40,583 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 [2019-11-20 05:55:40,583 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-20 05:55:40,619 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. [2019-11-20 05:55:40,620 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 [2019-11-20 05:55:40,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:55:40,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-11-20 05:55:40,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-20 05:55:40,621 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:40,621 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-11-20 05:55:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:55:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:55:40,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-11-20 05:55:40,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:55:40,735 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 05:55:40,736 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 [2019-11-20 05:55:40,736 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-11-20 05:55:40,797 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. [2019-11-20 05:55:40,798 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 [2019-11-20 05:55:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-20 05:55:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2019-11-20 05:55:40,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2019-11-20 05:55:40,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:40,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2019-11-20 05:55:40,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:40,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2019-11-20 05:55:40,802 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 05:55:40,802 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2019-11-20 05:55:40,822 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:55:40,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2019-11-20 05:55:40,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 05:55:40,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 05:55:40,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 05:55:40,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 05:55:40,824 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:55:40,824 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:55:40,824 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:55:40,824 INFO L424 BuchiCegarLoop]: ======== Iteration 15============ [2019-11-20 05:55:40,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:55:40,824 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 05:55:40,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 05:55:40,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:55:40 BoogieIcfgContainer [2019-11-20 05:55:40,833 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 05:55:40,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:55:40,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:55:40,834 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:55:40,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:55:26" (3/4) ... [2019-11-20 05:55:40,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:55:40,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:55:40,842 INFO L168 Benchmark]: Toolchain (without parser) took 15185.88 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.1 MB). Free memory was 950.1 MB in the beginning and 817.5 MB in the end (delta: 132.6 MB). Peak memory consumption was 490.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:55:40,843 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:55:40,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-20 05:55:40,843 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.20 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. [2019-11-20 05:55:40,844 INFO L168 Benchmark]: Boogie Preprocessor took 19.03 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. [2019-11-20 05:55:40,844 INFO L168 Benchmark]: RCFGBuilder took 215.33 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: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:55:40,845 INFO L168 Benchmark]: BuchiAutomizer took 14497.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 289.8 MB). Peak memory consumption was 514.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:55:40,845 INFO L168 Benchmark]: Witness Printer took 7.87 ms. Allocated memory is still 1.4 GB. Free memory is still 817.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:55:40,847 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.20 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. * Boogie Preprocessor took 19.03 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 215.33 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: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 14497.42 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 224.9 MB). Free memory was 1.1 GB in the beginning and 817.5 MB in the end (delta: 289.8 MB). Peak memory consumption was 514.7 MB. Max. memory is 11.5 GB. * Witness Printer took 7.87 ms. Allocated memory is still 1.4 GB. Free memory is still 817.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 14.4s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 6.7s. Construction of modules took 0.6s. Büchi inclusion checks took 6.3s. 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, 0.6s 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: 38ms 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...