./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 0.1.25-f470102 [2019-12-07 15:45:38,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:45:38,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:45:38,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:45:38,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:45:38,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:45:38,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:45:38,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:45:38,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:45:38,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:45:38,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:45:38,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:45:38,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:45:38,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:45:38,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:45:38,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:45:38,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:45:38,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:45:38,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:45:38,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:45:38,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:45:38,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:45:38,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:45:38,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:45:38,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:45:38,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:45:38,576 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:45:38,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:45:38,577 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:45:38,577 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:45:38,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:45:38,578 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:45:38,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:45:38,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:45:38,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:45:38,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:45:38,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:45:38,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:45:38,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:45:38,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:45:38,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:45:38,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 15:45:38,593 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:45:38,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:45:38,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:45:38,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:45:38,594 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:45:38,594 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:45:38,594 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:45:38,594 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:45:38,594 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:45:38,594 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:45:38,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:45:38,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:45:38,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:45:38,596 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:45:38,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:45:38,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:45:38,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:45:38,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:45:38,596 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:45:38,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:45:38,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:45:38,597 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:45:38,597 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:45:38,597 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:45:38,598 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:38,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:45:38,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:45:38,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:45:38,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:45:38,716 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:45:38,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-12-07 15:45:38,757 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/data/6adb9e5ab/dbd25f1969a44d08995e271ae8338662/FLAG3f8791084 [2019-12-07 15:45:39,072 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:45:39,072 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2019-12-07 15:45:39,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/data/6adb9e5ab/dbd25f1969a44d08995e271ae8338662/FLAG3f8791084 [2019-12-07 15:45:39,084 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/data/6adb9e5ab/dbd25f1969a44d08995e271ae8338662 [2019-12-07 15:45:39,086 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:45:39,087 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:45:39,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:45:39,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:45:39,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:45:39,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354778c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39, skipping insertion in model container [2019-12-07 15:45:39,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:45:39,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:45:39,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:45:39,221 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:45:39,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:45:39,272 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:45:39,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39 WrapperNode [2019-12-07 15:45:39,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:45:39,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:45:39,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:45:39,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:45:39,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:45:39,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:45:39,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:45:39,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:45:39,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... [2019-12-07 15:45:39,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:45:39,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:45:39,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:45:39,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:45:39,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:45:39,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:45:39,431 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:45:39,432 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 15:45:39,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:45:39 BoogieIcfgContainer [2019-12-07 15:45:39,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:45:39,433 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:45:39,433 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:45:39,435 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:45:39,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:45:39,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:45:39" (1/3) ... [2019-12-07 15:45:39,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e01b053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:45:39, skipping insertion in model container [2019-12-07 15:45:39,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:45:39,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:45:39" (2/3) ... [2019-12-07 15:45:39,437 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1e01b053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:45:39, skipping insertion in model container [2019-12-07 15:45:39,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:45:39,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:45:39" (3/3) ... [2019-12-07 15:45:39,438 INFO L371 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2019-12-07 15:45:39,473 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:45:39,473 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:45:39,473 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:45:39,473 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:45:39,473 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:45:39,473 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:45:39,473 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:45:39,474 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:45:39,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 15:45:39,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 15:45:39,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:39,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:39,498 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:45:39,498 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:45:39,499 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:45:39,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-12-07 15:45:39,499 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 15:45:39,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:39,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:39,499 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:45:39,500 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:45:39,504 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2019-12-07 15:45:39,504 INFO L796 eck$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 [2019-12-07 15:45:39,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:39,508 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 15:45:39,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:39,514 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907454946] [2019-12-07 15:45:39,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,583 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:39,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:39,584 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-12-07 15:45:39,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:39,585 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240970480] [2019-12-07 15:45:39,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,595 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:39,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:39,596 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-12-07 15:45:39,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:39,596 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751853836] [2019-12-07 15:45:39,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,606 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:39,643 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:39,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:39,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:39,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:39,643 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:39,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:39,644 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:39,644 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:39,644 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2019-12-07 15:45:39,644 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:39,644 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:39,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,746 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:39,747 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:39,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:39,759 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:39,759 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,762 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:39,762 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:39,766 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:39,766 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:39,770 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:39,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:39,785 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:39,786 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:39,787 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:39,787 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:39,787 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:39,787 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:39,787 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:39,787 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:39,787 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:39,787 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2019-12-07 15:45:39,788 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:39,788 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:39,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:39,845 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:39,849 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:39,854 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 [2019-12-07 15:45:39,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:39,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:39,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:39,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:39,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:39,861 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:39,865 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:45:39,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:39,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:39,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:39,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:39,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:39,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:39,877 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,881 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 [2019-12-07 15:45:39,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:39,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:39,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:39,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:39,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:39,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:39,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:39,886 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:39,889 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:39,889 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:39,896 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:39,896 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:39,896 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:39,896 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:39,899 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:39,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:39,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:39,920 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:39,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:39,928 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:39,928 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:39,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:39,940 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 [2019-12-07 15:45:39,941 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-12-07 15:45:39,965 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. [2019-12-07 15:45:39,965 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 [2019-12-07 15:45:39,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:39,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2019-12-07 15:45:39,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 15:45:39,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:39,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 15:45:39,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:39,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2019-12-07 15:45:39,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:39,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-12-07 15:45:39,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 15:45:39,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-12-07 15:45:39,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 15:45:39,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-12-07 15:45:39,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-12-07 15:45:39,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:39,975 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 15:45:39,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-12-07 15:45:39,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2019-12-07 15:45:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:39,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-12-07 15:45:39,991 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 15:45:39,991 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 15:45:39,991 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:45:39,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-12-07 15:45:39,991 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 15:45:39,992 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:39,992 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:39,992 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 15:45:39,992 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:45:39,992 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L15-2 assume !!(main_~c~0 > 0); 63#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 64#L15-2 [2019-12-07 15:45:39,992 INFO L796 eck$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 [2019-12-07 15:45:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:39,992 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2019-12-07 15:45:39,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:39,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113770859] [2019-12-07 15:45:39,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:39,999 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2019-12-07 15:45:40,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167976569] [2019-12-07 15:45:40,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,005 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,005 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2019-12-07 15:45:40,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068384120] [2019-12-07 15:45:40,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,014 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,027 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,027 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,027 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,027 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,027 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:40,027 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,027 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,027 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,027 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2019-12-07 15:45:40,028 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,028 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,079 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,079 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,082 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,085 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:40,085 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,088 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,095 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:40,095 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,100 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:40,101 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,101 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,101 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,101 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,101 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:40,101 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,101 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,101 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,101 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2019-12-07 15:45:40,102 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,102 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,149 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,149 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,152 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 [2019-12-07 15:45:40,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:40,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:40,160 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,164 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 [2019-12-07 15:45:40,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:40,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,167 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:40,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:40,169 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:40,174 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:40,175 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,183 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:40,183 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:40,183 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:40,183 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-12-07 15:45:40,185 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:40,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,203 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,203 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,206 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,207 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,214 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 [2019-12-07 15:45:40,215 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-12-07 15:45:40,223 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. [2019-12-07 15:45:40,223 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 [2019-12-07 15:45:40,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-12-07 15:45:40,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 15:45:40,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 15:45:40,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2019-12-07 15:45:40,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2019-12-07 15:45:40,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 15:45:40,226 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2019-12-07 15:45:40,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-12-07 15:45:40,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 15:45:40,226 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2019-12-07 15:45:40,226 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:40,227 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-12-07 15:45:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2019-12-07 15:45:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-07 15:45:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 15:45:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2019-12-07 15:45:40,228 INFO L711 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-12-07 15:45:40,228 INFO L591 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2019-12-07 15:45:40,228 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:45:40,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2019-12-07 15:45:40,229 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-12-07 15:45:40,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:40,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:40,229 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:40,229 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:45:40,229 INFO L794 eck$LassoCheckResult]: Stem: 121#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 122#L15-2 assume !!(main_~c~0 > 0); 117#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 118#L15-2 assume !!(main_~c~0 > 0); 125#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 123#L15-2 [2019-12-07 15:45:40,229 INFO L796 eck$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 [2019-12-07 15:45:40,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,230 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2019-12-07 15:45:40,230 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,230 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427744422] [2019-12-07 15:45:40,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,239 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2019-12-07 15:45:40,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40740644] [2019-12-07 15:45:40,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,244 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2019-12-07 15:45:40,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,245 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215261298] [2019-12-07 15:45:40,245 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,255 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,268 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,269 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:40,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,269 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,269 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2019-12-07 15:45:40,269 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,270 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,319 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,319 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,326 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:40,326 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,331 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:40,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,343 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:40,345 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:40,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2019-12-07 15:45:40,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,346 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,394 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,394 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,398 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 [2019-12-07 15:45:40,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:40,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:40,401 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:40,403 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:40,405 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:40,405 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,408 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:40,408 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:40,408 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:40,408 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-12-07 15:45:40,409 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:40,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,422 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,423 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,426 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,426 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,435 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 [2019-12-07 15:45:40,435 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 15:45:40,443 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. [2019-12-07 15:45:40,443 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 [2019-12-07 15:45:40,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-12-07 15:45:40,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 15:45:40,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,444 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:40,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,458 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,458 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,462 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,462 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,469 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 [2019-12-07 15:45:40,469 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 15:45:40,476 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. [2019-12-07 15:45:40,476 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 [2019-12-07 15:45:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2019-12-07 15:45:40,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 15:45:40,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,477 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:40,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,489 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,490 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,492 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,493 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,500 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 [2019-12-07 15:45:40,500 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-12-07 15:45:40,507 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. [2019-12-07 15:45:40,508 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 [2019-12-07 15:45:40,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 15:45:40,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 15:45:40,508 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,508 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2019-12-07 15:45:40,509 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,509 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2019-12-07 15:45:40,509 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2019-12-07 15:45:40,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:45:40,510 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2019-12-07 15:45:40,510 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-12-07 15:45:40,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 15:45:40,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2019-12-07 15:45:40,511 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:40,511 INFO L688 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-12-07 15:45:40,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2019-12-07 15:45:40,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2019-12-07 15:45:40,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:45:40,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-12-07 15:45:40,512 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-12-07 15:45:40,512 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2019-12-07 15:45:40,512 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 15:45:40,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2019-12-07 15:45:40,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:45:40,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:40,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:40,512 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 15:45:40,513 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:45:40,513 INFO L794 eck$LassoCheckResult]: Stem: 268#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 265#L15-2 [2019-12-07 15:45:40,513 INFO L796 eck$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 [2019-12-07 15:45:40,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,513 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2019-12-07 15:45:40,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305294089] [2019-12-07 15:45:40,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,517 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2019-12-07 15:45:40,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034274974] [2019-12-07 15:45:40,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,523 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,523 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2019-12-07 15:45:40,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250184146] [2019-12-07 15:45:40,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,529 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,547 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,548 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:40,548 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,548 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,548 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,548 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2019-12-07 15:45:40,548 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,548 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,588 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,588 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,594 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:40,594 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,597 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,598 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:40,604 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,610 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:40,611 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,614 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:40,620 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,625 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:40,626 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,626 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:40,626 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,626 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,626 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,626 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2019-12-07 15:45:40,626 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,626 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,663 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,663 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,666 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 [2019-12-07 15:45:40,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:40,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:40,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:40,669 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,673 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 [2019-12-07 15:45:40,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:40,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:40,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:40,678 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:40,682 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:40,682 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,684 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:40,684 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:40,685 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:40,685 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2019-12-07 15:45:40,686 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:40,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,698 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,699 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,701 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,701 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,702 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 [2019-12-07 15:45:40,702 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. [2019-12-07 15:45:40,707 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. [2019-12-07 15:45:40,707 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 [2019-12-07 15:45:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2019-12-07 15:45:40,707 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2019-12-07 15:45:40,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2019-12-07 15:45:40,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2019-12-07 15:45:40,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,708 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2019-12-07 15:45:40,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:45:40,709 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2019-12-07 15:45:40,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 15:45:40,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-12-07 15:45:40,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2019-12-07 15:45:40,709 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:40,709 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-12-07 15:45:40,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2019-12-07 15:45:40,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2019-12-07 15:45:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 15:45:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2019-12-07 15:45:40,710 INFO L711 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2019-12-07 15:45:40,710 INFO L591 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2019-12-07 15:45:40,710 INFO L424 BuchiCegarLoop]: ======== Iteration 5============ [2019-12-07 15:45:40,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2019-12-07 15:45:40,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2019-12-07 15:45:40,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:40,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:40,712 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2019-12-07 15:45:40,712 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-12-07 15:45:40,712 INFO L794 eck$LassoCheckResult]: Stem: 313#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 314#L15-2 assume !!(main_~c~0 > 0); 315#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 316#L15-2 assume !!(main_~c~0 > 0); 309#L15 [2019-12-07 15:45:40,712 INFO L796 eck$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 [2019-12-07 15:45:40,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,712 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2019-12-07 15:45:40,713 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,713 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328422392] [2019-12-07 15:45:40,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,737 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328422392] [2019-12-07 15:45:40,737 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:45:40,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:45:40,738 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575791255] [2019-12-07 15:45:40,740 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 15:45:40,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2019-12-07 15:45:40,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:40,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472589479] [2019-12-07 15:45:40,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:40,744 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:40,755 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,756 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,756 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,756 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:40,756 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,756 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,756 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2019-12-07 15:45:40,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,756 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,792 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,792 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,795 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:40,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,813 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:40,813 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:40,817 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:40,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:40,827 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:40,828 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:40,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:40,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:40,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:40,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:40,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:40,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:40,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2019-12-07 15:45:40,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:40,829 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:40,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:40,865 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:40,865 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:45:40,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:40,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:40,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:40,872 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,876 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 [2019-12-07 15:45:40,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:40,879 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:40,881 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:40,885 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 [2019-12-07 15:45:40,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:40,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:40,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:40,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:40,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:40,888 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:40,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:40,889 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:40,891 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:40,891 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:40,893 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:40,893 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:40,893 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:40,893 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2019-12-07 15:45:40,895 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:40,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,906 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,906 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,908 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,908 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,925 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 [2019-12-07 15:45:40,925 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 15:45:40,929 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. [2019-12-07 15:45:40,930 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 [2019-12-07 15:45:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-12-07 15:45:40,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 15:45:40,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,930 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:40,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,940 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,940 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,943 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,943 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,952 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 [2019-12-07 15:45:40,952 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 15:45:40,963 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. [2019-12-07 15:45:40,963 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 [2019-12-07 15:45:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:40,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 15:45:40,964 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,964 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:40,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,975 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,975 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:40,978 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 15:45:40,978 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:40,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:40,988 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 [2019-12-07 15:45:40,988 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2019-12-07 15:45:40,993 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. [2019-12-07 15:45:40,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 15:45:40,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 15:45:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-12-07 15:45:40,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 15:45:40,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2019-12-07 15:45:40,994 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2019-12-07 15:45:40,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:40,995 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2019-12-07 15:45:40,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-12-07 15:45:40,996 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2019-12-07 15:45:40,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-12-07 15:45:40,997 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-12-07 15:45:40,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2019-12-07 15:45:40,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:40,997 INFO L688 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2019-12-07 15:45:40,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2019-12-07 15:45:40,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2019-12-07 15:45:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:40,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-12-07 15:45:40,998 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 15:45:40,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:45:41,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:45:41,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:45:41,001 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 4 states. [2019-12-07 15:45:41,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:45:41,012 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2019-12-07 15:45:41,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:45:41,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2019-12-07 15:45:41,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:45:41,013 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2019-12-07 15:45:41,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-12-07 15:45:41,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-12-07 15:45:41,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2019-12-07 15:45:41,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:41,014 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2019-12-07 15:45:41,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2019-12-07 15:45:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-12-07 15:45:41,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:41,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2019-12-07 15:45:41,015 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-12-07 15:45:41,015 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2019-12-07 15:45:41,015 INFO L424 BuchiCegarLoop]: ======== Iteration 6============ [2019-12-07 15:45:41,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2019-12-07 15:45:41,015 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-12-07 15:45:41,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:41,016 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:41,016 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2019-12-07 15:45:41,016 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2019-12-07 15:45:41,016 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 [2019-12-07 15:45:41,016 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 [2019-12-07 15:45:41,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,016 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2019-12-07 15:45:41,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152038536] [2019-12-07 15:45:41,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,025 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:41,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2019-12-07 15:45:41,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139505864] [2019-12-07 15:45:41,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:41,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2019-12-07 15:45:41,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50105262] [2019-12-07 15:45:41,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,044 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:41,069 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:41,069 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:41,069 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:41,069 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:41,069 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:41,069 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,069 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:41,069 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:41,069 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2019-12-07 15:45:41,069 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:41,069 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:41,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,107 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:41,107 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:41,111 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,118 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:41,118 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:41,125 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:41,127 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:41,127 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:41,127 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:41,127 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:41,127 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:41,127 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:41,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:41,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2019-12-07 15:45:41,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:41,128 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:41,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,165 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:41,165 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,168 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 [2019-12-07 15:45:41,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:41,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:41,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:41,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:41,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:41,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:41,170 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:41,172 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:41,180 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:41,180 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,184 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:41,184 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:41,184 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:41,184 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2019-12-07 15:45:41,186 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:41,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,197 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,197 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,200 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,219 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 [2019-12-07 15:45:41,219 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 15:45:41,223 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. [2019-12-07 15:45:41,224 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 [2019-12-07 15:45:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:45:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-12-07 15:45:41,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 15:45:41,224 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,224 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:41,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,235 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,235 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,238 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,238 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,258 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 [2019-12-07 15:45:41,258 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 15:45:41,268 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. [2019-12-07 15:45:41,268 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 [2019-12-07 15:45:41,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:45:41,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:41,268 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 15:45:41,269 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,269 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:41,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,279 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,279 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,282 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,282 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,301 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 3 loop predicates [2019-12-07 15:45:41,301 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 15:45:41,306 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. [2019-12-07 15:45:41,306 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 [2019-12-07 15:45:41,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:45:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2019-12-07 15:45:41,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 15:45:41,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,307 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:41,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,319 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,322 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,322 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,340 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 [2019-12-07 15:45:41,340 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 15:45:41,351 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. [2019-12-07 15:45:41,351 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 [2019-12-07 15:45:41,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:45:41,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 15:45:41,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 15:45:41,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,352 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:41,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,362 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,362 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,366 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,366 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,383 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 [2019-12-07 15:45:41,383 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2019-12-07 15:45:41,423 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 [2019-12-07 15:45:41,424 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 [2019-12-07 15:45:41,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-12-07 15:45:41,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-12-07 15:45:41,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2019-12-07 15:45:41,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2019-12-07 15:45:41,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2019-12-07 15:45:41,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,426 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2019-12-07 15:45:41,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2019-12-07 15:45:41,428 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2019-12-07 15:45:41,428 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2019-12-07 15:45:41,429 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2019-12-07 15:45:41,429 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2019-12-07 15:45:41,429 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:41,429 INFO L688 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2019-12-07 15:45:41,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2019-12-07 15:45:41,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2019-12-07 15:45:41,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-12-07 15:45:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2019-12-07 15:45:41,431 INFO L711 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-12-07 15:45:41,431 INFO L591 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2019-12-07 15:45:41,431 INFO L424 BuchiCegarLoop]: ======== Iteration 7============ [2019-12-07 15:45:41,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2019-12-07 15:45:41,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 15:45:41,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:41,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:41,432 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2019-12-07 15:45:41,432 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2019-12-07 15:45:41,432 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 [2019-12-07 15:45:41,432 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 [2019-12-07 15:45:41,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,432 INFO L82 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2019-12-07 15:45:41,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833026586] [2019-12-07 15:45:41,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 15:45:41,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833026586] [2019-12-07 15:45:41,451 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577806760] [2019-12-07 15:45:41,451 INFO L92 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,468 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2019-12-07 15:45:41,468 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-12-07 15:45:41,468 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,468 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 15:45:41,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:45:41,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2019-12-07 15:45:41,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108210974] [2019-12-07 15:45:41,471 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-12-07 15:45:41,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2019-12-07 15:45:41,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,471 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359782477] [2019-12-07 15:45:41,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,477 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:41,512 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:41,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:41,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:41,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:41,512 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:41,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:41,512 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:41,512 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2019-12-07 15:45:41,512 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:41,512 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:41,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,560 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:41,560 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,563 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:41,563 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:41,566 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:41,566 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,570 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:41,570 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:41,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:41,640 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:41,641 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:41,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:41,642 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:41,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:41,642 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:41,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:41,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:41,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2019-12-07 15:45:41,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:41,642 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:41,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,680 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:41,680 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,683 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 [2019-12-07 15:45:41,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:41,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:41,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:41,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:41,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:41,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:41,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,692 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 [2019-12-07 15:45:41,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:41,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:41,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:41,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:41,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:41,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:41,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:41,695 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:41,697 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:41,697 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,700 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:41,700 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:41,700 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:41,700 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:41,702 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:41,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,713 INFO L264 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,714 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,717 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,717 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,732 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 [2019-12-07 15:45:41,732 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9 Second operand 5 states. [2019-12-07 15:45:41,749 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. [2019-12-07 15:45:41,749 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 [2019-12-07 15:45:41,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:45:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-12-07 15:45:41,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2019-12-07 15:45:41,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2019-12-07 15:45:41,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2019-12-07 15:45:41,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:41,750 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2019-12-07 15:45:41,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 15:45:41,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2019-12-07 15:45:41,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-12-07 15:45:41,752 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-12-07 15:45:41,752 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2019-12-07 15:45:41,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:41,752 INFO L688 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2019-12-07 15:45:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2019-12-07 15:45:41,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2019-12-07 15:45:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-07 15:45:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2019-12-07 15:45:41,755 INFO L711 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2019-12-07 15:45:41,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:45:41,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 15:45:41,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 15:45:41,756 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand 5 states. [2019-12-07 15:45:41,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:45:41,765 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2019-12-07 15:45:41,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 15:45:41,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2019-12-07 15:45:41,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 15:45:41,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2019-12-07 15:45:41,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2019-12-07 15:45:41,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2019-12-07 15:45:41,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2019-12-07 15:45:41,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:41,767 INFO L688 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2019-12-07 15:45:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2019-12-07 15:45:41,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2019-12-07 15:45:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-07 15:45:41,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2019-12-07 15:45:41,768 INFO L711 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-12-07 15:45:41,768 INFO L591 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2019-12-07 15:45:41,768 INFO L424 BuchiCegarLoop]: ======== Iteration 8============ [2019-12-07 15:45:41,769 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2019-12-07 15:45:41,769 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2019-12-07 15:45:41,769 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:41,769 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:41,769 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2019-12-07 15:45:41,769 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2019-12-07 15:45:41,769 INFO L794 eck$LassoCheckResult]: Stem: 1095#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1096#L15-2 assume !!(main_~c~0 > 0); 1111#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1108#L15-2 assume !!(main_~c~0 > 0); 1101#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1092#L15-2 assume !!(main_~c~0 > 0); 1102#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1100#L15-2 assume !!(main_~c~0 > 0); 1099#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1098#L15-2 assume !!(main_~c~0 > 0); 1091#L15 [2019-12-07 15:45:41,769 INFO L796 eck$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 [2019-12-07 15:45:41,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2019-12-07 15:45:41,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221476199] [2019-12-07 15:45:41,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,777 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:41,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2019-12-07 15:45:41,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,777 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208213992] [2019-12-07 15:45:41,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:41,782 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:41,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:41,782 INFO L82 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2019-12-07 15:45:41,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:41,782 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021958470] [2019-12-07 15:45:41,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:41,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,826 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:41,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021958470] [2019-12-07 15:45:41,826 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425107681] [2019-12-07 15:45:41,826 INFO L92 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:41,848 INFO L264 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:45:41,849 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:41,880 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 15:45:41,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 15:45:41,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 15 [2019-12-07 15:45:41,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786482765] [2019-12-07 15:45:41,913 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:41,913 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:41,913 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:41,913 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:41,913 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:41,913 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,913 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:41,913 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:41,913 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2019-12-07 15:45:41,913 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:41,913 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:41,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:41,955 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:41,955 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,958 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:41,958 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:41,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:41,961 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,965 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:41,965 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:41,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:41,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:42,033 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:42,034 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:42,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:42,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:42,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:42,035 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:42,035 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,035 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:42,035 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:42,035 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2019-12-07 15:45:42,035 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:42,035 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:42,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,074 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:42,074 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:42,077 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 [2019-12-07 15:45:42,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:42,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:42,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:42,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:42,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:42,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:42,082 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:42,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:45:42,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:42,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:42,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:42,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:42,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:42,087 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:42,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:42,088 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:42,090 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:42,090 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:42,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:42,092 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:42,093 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:42,093 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:42,094 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:42,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,106 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,106 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,109 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,110 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,124 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,125 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 [2019-12-07 15:45:42,125 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 15:45:42,136 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. [2019-12-07 15:45:42,136 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 [2019-12-07 15:45:42,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:45:42,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-12-07 15:45:42,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 15:45:42,137 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,137 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:42,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,147 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,148 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,151 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,151 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,166 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,166 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 [2019-12-07 15:45:42,166 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 15:45:42,178 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. [2019-12-07 15:45:42,178 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 [2019-12-07 15:45:42,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:45:42,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-12-07 15:45:42,179 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 15:45:42,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,179 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:42,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,190 INFO L264 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,190 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,194 INFO L264 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,209 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 [2019-12-07 15:45:42,209 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2019-12-07 15:45:42,225 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. [2019-12-07 15:45:42,225 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 [2019-12-07 15:45:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:45:42,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2019-12-07 15:45:42,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2019-12-07 15:45:42,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2019-12-07 15:45:42,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,226 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2019-12-07 15:45:42,227 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2019-12-07 15:45:42,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2019-12-07 15:45:42,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2019-12-07 15:45:42,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-12-07 15:45:42,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-12-07 15:45:42,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2019-12-07 15:45:42,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:42,228 INFO L688 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2019-12-07 15:45:42,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2019-12-07 15:45:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2019-12-07 15:45:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-12-07 15:45:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2019-12-07 15:45:42,231 INFO L711 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2019-12-07 15:45:42,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:45:42,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:45:42,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:45:42,231 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 15 states. [2019-12-07 15:45:42,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:45:42,333 INFO L93 Difference]: Finished difference Result 143 states and 181 transitions. [2019-12-07 15:45:42,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-12-07 15:45:42,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 143 states and 181 transitions. [2019-12-07 15:45:42,334 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 40 [2019-12-07 15:45:42,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 143 states to 109 states and 145 transitions. [2019-12-07 15:45:42,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-12-07 15:45:42,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2019-12-07 15:45:42,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 109 states and 145 transitions. [2019-12-07 15:45:42,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:42,336 INFO L688 BuchiCegarLoop]: Abstraction has 109 states and 145 transitions. [2019-12-07 15:45:42,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states and 145 transitions. [2019-12-07 15:45:42,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 33. [2019-12-07 15:45:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 15:45:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2019-12-07 15:45:42,338 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-12-07 15:45:42,338 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2019-12-07 15:45:42,338 INFO L424 BuchiCegarLoop]: ======== Iteration 9============ [2019-12-07 15:45:42,338 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2019-12-07 15:45:42,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2019-12-07 15:45:42,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:42,339 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:42,339 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:42,339 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2019-12-07 15:45:42,339 INFO L794 eck$LassoCheckResult]: Stem: 1739#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1741#L15-2 assume !!(main_~c~0 > 0); 1755#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1752#L15-2 assume !!(main_~c~0 > 0); 1746#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1742#L15-2 [2019-12-07 15:45:42,339 INFO L796 eck$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 [2019-12-07 15:45:42,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,340 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2019-12-07 15:45:42,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,340 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170492429] [2019-12-07 15:45:42,340 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,344 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2019-12-07 15:45:42,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372607861] [2019-12-07 15:45:42,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-07 15:45:42,356 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372607861] [2019-12-07 15:45:42,356 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:45:42,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 15:45:42,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784181713] [2019-12-07 15:45:42,357 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-12-07 15:45:42,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 15:45:42,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 15:45:42,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 15:45:42,357 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand 4 states. [2019-12-07 15:45:42,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:45:42,362 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2019-12-07 15:45:42,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:45:42,363 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2019-12-07 15:45:42,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-12-07 15:45:42,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2019-12-07 15:45:42,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2019-12-07 15:45:42,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 15:45:42,364 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2019-12-07 15:45:42,364 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:42,364 INFO L688 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2019-12-07 15:45:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2019-12-07 15:45:42,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2019-12-07 15:45:42,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-12-07 15:45:42,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2019-12-07 15:45:42,365 INFO L711 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-12-07 15:45:42,365 INFO L591 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2019-12-07 15:45:42,366 INFO L424 BuchiCegarLoop]: ======== Iteration 10============ [2019-12-07 15:45:42,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2019-12-07 15:45:42,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2019-12-07 15:45:42,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:42,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:42,366 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:42,366 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2019-12-07 15:45:42,366 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 [2019-12-07 15:45:42,366 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 [2019-12-07 15:45:42,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,367 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2019-12-07 15:45:42,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576820232] [2019-12-07 15:45:42,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,371 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,371 INFO L82 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2019-12-07 15:45:42,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,371 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172778991] [2019-12-07 15:45:42,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,377 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,378 INFO L82 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2019-12-07 15:45:42,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498468156] [2019-12-07 15:45:42,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,386 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,435 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:42,435 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:42,435 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:42,435 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:42,435 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:42,435 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,435 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:42,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:42,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2019-12-07 15:45:42,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:42,436 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:42,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,481 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:42,481 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,484 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:42,484 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:42,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:42,487 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,491 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:42,491 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:42,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:42,500 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:42,502 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:42,502 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:42,502 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:42,502 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:42,502 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:42,502 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,502 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:42,502 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:42,502 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2019-12-07 15:45:42,502 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:42,502 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:42,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:42,540 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:42,540 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,548 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 [2019-12-07 15:45:42,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:42,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:42,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:42,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:42,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:42,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:42,552 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,556 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 [2019-12-07 15:45:42,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:42,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:42,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:42,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:42,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:42,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:42,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:42,559 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:42,563 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 15:45:42,563 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,566 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:42,566 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:42,566 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:42,566 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:42,567 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:42,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,577 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,577 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,581 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,581 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,608 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 [2019-12-07 15:45:42,608 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 15:45:42,611 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. [2019-12-07 15:45:42,611 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 [2019-12-07 15:45:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:42,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 15:45:42,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,611 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:42,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,621 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,621 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,625 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,625 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,651 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 [2019-12-07 15:45:42,652 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 15:45:42,655 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. [2019-12-07 15:45:42,655 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 [2019-12-07 15:45:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:42,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 15:45:42,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,656 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,666 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,666 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,671 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,700 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 [2019-12-07 15:45:42,700 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 15:45:42,705 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. [2019-12-07 15:45:42,705 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 [2019-12-07 15:45:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 15:45:42,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 15:45:42,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,706 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:42,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,717 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,721 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,722 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,751 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 [2019-12-07 15:45:42,751 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 15:45:42,769 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. [2019-12-07 15:45:42,770 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 [2019-12-07 15:45:42,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 15:45:42,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 15:45:42,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,770 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:42,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,780 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,780 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:42,785 INFO L264 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 15:45:42,786 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:42,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:42,823 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 [2019-12-07 15:45:42,823 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2019-12-07 15:45:42,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,854 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,855 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,876 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,876 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,876 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,877 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,877 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,877 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,877 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,877 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:42,882 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 [2019-12-07 15:45:42,882 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 [2019-12-07 15:45:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-12-07 15:45:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2019-12-07 15:45:42,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2019-12-07 15:45:42,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2019-12-07 15:45:42,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2019-12-07 15:45:42,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:42,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2019-12-07 15:45:42,891 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2019-12-07 15:45:42,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2019-12-07 15:45:42,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-12-07 15:45:42,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-12-07 15:45:42,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2019-12-07 15:45:42,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:42,893 INFO L688 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2019-12-07 15:45:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2019-12-07 15:45:42,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2019-12-07 15:45:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-07 15:45:42,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2019-12-07 15:45:42,897 INFO L711 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2019-12-07 15:45:42,898 INFO L591 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2019-12-07 15:45:42,898 INFO L424 BuchiCegarLoop]: ======== Iteration 11============ [2019-12-07 15:45:42,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2019-12-07 15:45:42,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2019-12-07 15:45:42,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:42,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:42,898 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:42,899 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2019-12-07 15:45:42,899 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 [2019-12-07 15:45:42,899 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 [2019-12-07 15:45:42,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,899 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2019-12-07 15:45:42,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786504636] [2019-12-07 15:45:42,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,903 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,904 INFO L82 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2019-12-07 15:45:42,904 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,904 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695673030] [2019-12-07 15:45:42,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,911 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:42,911 INFO L82 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2019-12-07 15:45:42,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:42,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311639549] [2019-12-07 15:45:42,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:42,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:42,995 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:42,995 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:42,995 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:42,995 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:42,995 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:42,995 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:42,995 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:42,995 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:42,995 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2019-12-07 15:45:42,995 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:42,995 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:42,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,032 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:43,032 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:43,034 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:43,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:43,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:43,045 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:43,046 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:43,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:43,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:43,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:43,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:43,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:43,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:43,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:43,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2019-12-07 15:45:43,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:43,047 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:43,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,087 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:43,087 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:43,091 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 [2019-12-07 15:45:43,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:43,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:43,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:43,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:43,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:43,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:43,096 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,099 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 [2019-12-07 15:45:43,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:43,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:43,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:43,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:43,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:43,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:43,104 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,107 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 [2019-12-07 15:45:43,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:43,108 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:43,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:43,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:43,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:43,109 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:43,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:43,111 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:43,112 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 15:45:43,112 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,117 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:43,117 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:43,117 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:43,117 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:43,118 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:43,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,128 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,128 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,133 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:43,180 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 [2019-12-07 15:45:43,180 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-12-07 15:45:43,184 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. [2019-12-07 15:45:43,185 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 [2019-12-07 15:45:43,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:45:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:43,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2019-12-07 15:45:43,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,185 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:43,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,195 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,195 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,200 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,242 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:43,242 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 [2019-12-07 15:45:43,242 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-12-07 15:45:43,246 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. [2019-12-07 15:45:43,246 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 [2019-12-07 15:45:43,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:45:43,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:43,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2019-12-07 15:45:43,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,247 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:43,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,257 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,257 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,262 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,262 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:43,309 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 [2019-12-07 15:45:43,309 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-12-07 15:45:43,313 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. [2019-12-07 15:45:43,314 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 [2019-12-07 15:45:43,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:45:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 15:45:43,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2019-12-07 15:45:43,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,314 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:43,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,324 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,324 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,328 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,329 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:43,370 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 [2019-12-07 15:45:43,370 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-12-07 15:45:43,390 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. [2019-12-07 15:45:43,391 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 [2019-12-07 15:45:43,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:45:43,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 15:45:43,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2019-12-07 15:45:43,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,392 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:43,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,402 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,403 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,407 INFO L264 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,408 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:43,447 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 [2019-12-07 15:45:43,448 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2019-12-07 15:45:43,479 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,479 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,480 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,480 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,480 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,480 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,480 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,481 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,481 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,481 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,482 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,482 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,515 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,515 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,516 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,516 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,549 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:43,570 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 [2019-12-07 15:45:43,571 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 [2019-12-07 15:45:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2019-12-07 15:45:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2019-12-07 15:45:43,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2019-12-07 15:45:43,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2019-12-07 15:45:43,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2019-12-07 15:45:43,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2019-12-07 15:45:43,586 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2019-12-07 15:45:43,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2019-12-07 15:45:43,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2019-12-07 15:45:43,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2019-12-07 15:45:43,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2019-12-07 15:45:43,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:43,589 INFO L688 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2019-12-07 15:45:43,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2019-12-07 15:45:43,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2019-12-07 15:45:43,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2019-12-07 15:45:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2019-12-07 15:45:43,598 INFO L711 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2019-12-07 15:45:43,598 INFO L591 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2019-12-07 15:45:43,598 INFO L424 BuchiCegarLoop]: ======== Iteration 12============ [2019-12-07 15:45:43,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2019-12-07 15:45:43,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2019-12-07 15:45:43,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:43,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:43,599 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:43,600 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2019-12-07 15:45:43,600 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 [2019-12-07 15:45:43,600 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 [2019-12-07 15:45:43,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,600 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2019-12-07 15:45:43,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:43,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823947904] [2019-12-07 15:45:43,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:43,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:43,604 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:43,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2019-12-07 15:45:43,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:43,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934197274] [2019-12-07 15:45:43,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:43,611 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:43,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,611 INFO L82 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2019-12-07 15:45:43,612 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:43,612 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610568267] [2019-12-07 15:45:43,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:43,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:43,620 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:43,718 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:43,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:43,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:43,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:43,718 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:43,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:43,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:43,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:43,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2019-12-07 15:45:43,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:43,718 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:43,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,754 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:43,754 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:43,757 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:43,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:43,760 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:43,760 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,764 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:43,764 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,770 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:43,770 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:43,775 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:43,776 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:43,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:43,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:43,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:43,776 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:43,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:43,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:43,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:43,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2019-12-07 15:45:43,776 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:43,776 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:43,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:43,812 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:43,812 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,815 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 [2019-12-07 15:45:43,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:43,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:43,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:43,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:43,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:43,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:43,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,822 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 [2019-12-07 15:45:43,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:43,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:43,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:43,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:43,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:43,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:43,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 15:45:43,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:43,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:43,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:43,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:43,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:43,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:43,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:43,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:43,836 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:43,836 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:43,838 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:43,838 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:43,838 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:43,838 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:43,839 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:43,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,849 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,850 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,855 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,855 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:43,921 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 [2019-12-07 15:45:43,922 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-12-07 15:45:43,925 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. [2019-12-07 15:45:43,925 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 [2019-12-07 15:45:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 15:45:43,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:43,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2019-12-07 15:45:43,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:43,926 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:43,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,941 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,941 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:43,947 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:45:43,948 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,005 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:44,005 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 [2019-12-07 15:45:44,005 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-12-07 15:45:44,012 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. [2019-12-07 15:45:44,012 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 [2019-12-07 15:45:44,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 15:45:44,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:44,013 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2019-12-07 15:45:44,013 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:44,013 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:44,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,024 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,025 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,031 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,031 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:44,108 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 [2019-12-07 15:45:44,109 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-12-07 15:45:44,115 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. [2019-12-07 15:45:44,116 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 [2019-12-07 15:45:44,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 15:45:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 15:45:44,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2019-12-07 15:45:44,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:44,117 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:44,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,134 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,134 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,143 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,144 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:44,222 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 [2019-12-07 15:45:44,222 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-12-07 15:45:44,251 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. [2019-12-07 15:45:44,252 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 [2019-12-07 15:45:44,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 15:45:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 15:45:44,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2019-12-07 15:45:44,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:44,253 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,265 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,265 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,273 INFO L264 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,273 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,343 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:44,343 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 [2019-12-07 15:45:44,343 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2019-12-07 15:45:44,378 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,378 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,379 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,379 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,379 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,379 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,379 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,379 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,380 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,380 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,380 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,380 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,380 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,381 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,382 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,382 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,382 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,382 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,382 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,383 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,383 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,383 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,411 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,411 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,412 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,412 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,412 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,412 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,413 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,414 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,415 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,416 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,417 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,418 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,418 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,418 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,418 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,419 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,420 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,420 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,420 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,453 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,453 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,453 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,454 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,454 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,454 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,454 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,454 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,454 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,455 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,456 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,457 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,458 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,458 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,458 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,459 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,459 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,459 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,459 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,459 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,459 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,460 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,461 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,462 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,463 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,464 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,465 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,465 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,465 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,517 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,518 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,523 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,523 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,527 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:44,542 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 [2019-12-07 15:45:44,542 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 [2019-12-07 15:45:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-07 15:45:44,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2019-12-07 15:45:44,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2019-12-07 15:45:44,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:44,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2019-12-07 15:45:44,543 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:44,543 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2019-12-07 15:45:44,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:44,544 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2019-12-07 15:45:44,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2019-12-07 15:45:44,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2019-12-07 15:45:44,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-12-07 15:45:44,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2019-12-07 15:45:44,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2019-12-07 15:45:44,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:44,579 INFO L688 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2019-12-07 15:45:44,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2019-12-07 15:45:44,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2019-12-07 15:45:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-12-07 15:45:44,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2019-12-07 15:45:44,593 INFO L711 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2019-12-07 15:45:44,593 INFO L591 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2019-12-07 15:45:44,593 INFO L424 BuchiCegarLoop]: ======== Iteration 13============ [2019-12-07 15:45:44,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2019-12-07 15:45:44,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2019-12-07 15:45:44,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:44,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:44,596 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:44,596 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2019-12-07 15:45:44,596 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 [2019-12-07 15:45:44,596 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 [2019-12-07 15:45:44,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,597 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2019-12-07 15:45:44,597 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:44,597 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968015160] [2019-12-07 15:45:44,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:44,600 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:44,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,600 INFO L82 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2019-12-07 15:45:44,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:44,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459738374] [2019-12-07 15:45:44,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:44,608 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:44,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,608 INFO L82 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2019-12-07 15:45:44,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:44,608 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460678935] [2019-12-07 15:45:44,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:44,617 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:44,745 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2019-12-07 15:45:44,753 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:44,753 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:44,753 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:44,754 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:44,754 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:44,754 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,754 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:44,754 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:44,754 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2019-12-07 15:45:44,754 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:44,754 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:44,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,792 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:44,792 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:44,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:44,798 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:44,798 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:44,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:44,806 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:45:44,806 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:44,810 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:44,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:44,823 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:44,824 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:44,825 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:44,825 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:44,825 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:44,825 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:44,825 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:44,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:44,825 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2019-12-07 15:45:44,825 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:44,825 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:44,826 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:44,877 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:44,877 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,880 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 [2019-12-07 15:45:44,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:44,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:44,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:44,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:44,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:44,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:44,886 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,890 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 [2019-12-07 15:45:44,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:44,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:44,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:44,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:44,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:44,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:44,898 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,902 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 [2019-12-07 15:45:44,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:44,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:44,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:44,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:44,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:44,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:44,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:44,907 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:44,910 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 15:45:44,910 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:44,912 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:44,913 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:44,913 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:44,913 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2019-12-07 15:45:44,914 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:44,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,927 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,927 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:44,937 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:45:44,937 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,046 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:45,047 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 [2019-12-07 15:45:45,047 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-12-07 15:45:45,054 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. [2019-12-07 15:45:45,054 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 [2019-12-07 15:45:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 15:45:45,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:45,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2019-12-07 15:45:45,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,055 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,070 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,070 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,079 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,080 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:45,161 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 [2019-12-07 15:45:45,161 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-12-07 15:45:45,167 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. [2019-12-07 15:45:45,167 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 [2019-12-07 15:45:45,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 15:45:45,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:45,168 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2019-12-07 15:45:45,168 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,168 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:45,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,179 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,179 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,191 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,192 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:45,269 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 [2019-12-07 15:45:45,269 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-12-07 15:45:45,274 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. [2019-12-07 15:45:45,274 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 [2019-12-07 15:45:45,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 15:45:45,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2019-12-07 15:45:45,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2019-12-07 15:45:45,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,275 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:45,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:45,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,284 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,285 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,291 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,291 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:45,371 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 [2019-12-07 15:45:45,371 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-12-07 15:45:45,392 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. [2019-12-07 15:45:45,392 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 [2019-12-07 15:45:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 15:45:45,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 15:45:45,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2019-12-07 15:45:45,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,393 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:45,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,402 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,402 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:45,408 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2019-12-07 15:45:45,408 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 15:45:45,488 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 [2019-12-07 15:45:45,489 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2019-12-07 15:45:45,542 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,543 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,543 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,543 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,544 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,544 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,544 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,545 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,546 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,546 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,546 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,547 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,547 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,547 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,548 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,548 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,549 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,549 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,549 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,549 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,550 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,551 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,552 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,553 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,554 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,555 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,555 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,555 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,555 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,556 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,556 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,556 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,556 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,557 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,557 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,557 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,557 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,594 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,594 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,594 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,595 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,595 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,595 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,595 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,595 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,596 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,596 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,596 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,596 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,597 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,597 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,597 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,598 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,598 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,598 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,598 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,598 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,598 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,599 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,599 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,599 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,599 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,599 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,600 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,600 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,600 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,601 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,601 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,601 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,602 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,602 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,602 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,602 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,603 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,603 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,604 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,605 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,606 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,607 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,608 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,609 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,609 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,609 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,610 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,611 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,612 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,613 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,614 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,614 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,614 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,615 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,615 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,615 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,615 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,616 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,617 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,617 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,617 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,617 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,617 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,618 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,618 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,618 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,618 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,618 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,618 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,619 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,619 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,658 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,659 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,660 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,661 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,662 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,662 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,662 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,663 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,664 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,665 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,665 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,665 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,665 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,665 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,666 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,666 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,666 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,666 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,667 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,668 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,668 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,668 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,669 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,669 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,669 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,669 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,669 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,669 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,670 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,671 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,672 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,673 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,674 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,674 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,674 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,674 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,675 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,676 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,677 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,678 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,679 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,680 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,681 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,682 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,756 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,757 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,758 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,759 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,759 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,759 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,759 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,760 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,761 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,762 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,763 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,764 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,765 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,766 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,767 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,768 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,769 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,770 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,771 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,772 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,773 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,774 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,775 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,776 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,777 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,778 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,778 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,778 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,835 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,836 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,836 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,837 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,838 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,838 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,838 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,839 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,840 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,841 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,842 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,842 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,843 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,844 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,845 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,845 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,846 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,847 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,848 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,849 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,850 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,851 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,852 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,853 WARN L278 uchiComplementFKVNwa]: big8 [2019-12-07 15:45:45,876 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 [2019-12-07 15:45:45,877 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 [2019-12-07 15:45:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 15:45:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2019-12-07 15:45:45,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2019-12-07 15:45:45,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2019-12-07 15:45:45,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2019-12-07 15:45:45,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:45,880 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2019-12-07 15:45:45,943 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2019-12-07 15:45:45,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2019-12-07 15:45:45,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-12-07 15:45:45,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2019-12-07 15:45:45,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2019-12-07 15:45:45,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 15:45:45,964 INFO L688 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2019-12-07 15:45:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2019-12-07 15:45:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2019-12-07 15:45:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2019-12-07 15:45:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2019-12-07 15:45:45,998 INFO L711 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2019-12-07 15:45:45,998 INFO L591 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2019-12-07 15:45:45,998 INFO L424 BuchiCegarLoop]: ======== Iteration 14============ [2019-12-07 15:45:45,998 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2019-12-07 15:45:46,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2019-12-07 15:45:46,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:45:46,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:45:46,005 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2019-12-07 15:45:46,005 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2019-12-07 15:45:46,006 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 [2019-12-07 15:45:46,006 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 [2019-12-07 15:45:46,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,006 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2019-12-07 15:45:46,006 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:46,006 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464538518] [2019-12-07 15:45:46,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:46,010 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:46,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2019-12-07 15:45:46,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:46,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241363211] [2019-12-07 15:45:46,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:46,022 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:46,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,022 INFO L82 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2019-12-07 15:45:46,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:45:46,022 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84154236] [2019-12-07 15:45:46,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:45:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:45:46,037 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:45:46,211 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2019-12-07 15:45:46,224 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:46,224 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:46,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:46,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:46,225 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:45:46,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:46,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:46,225 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:46,225 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2019-12-07 15:45:46,225 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:46,225 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:46,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,273 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:46,273 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:46,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:45:46,276 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:46,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:45:46,284 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:45:46,333 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:45:46,334 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:45:46,334 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:45:46,334 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:45:46,334 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:45:46,335 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:45:46,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:46,335 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:45:46,335 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:45:46,335 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2019-12-07 15:45:46,335 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:45:46,335 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:45:46,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 15:45:46,372 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:45:46,372 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:45:46,374 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 [2019-12-07 15:45:46,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:46,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:46,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:46,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:46,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:45:46,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:45:46,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:46,382 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 [2019-12-07 15:45:46,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:45:46,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:45:46,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:45:46,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:45:46,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:45:46,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:45:46,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:45:46,385 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:45:46,387 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 15:45:46,388 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_9710c2b3-76bc-44b0-9970-7089a2f3f300/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 [2019-12-07 15:45:46,390 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:45:46,390 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 15:45:46,390 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:45:46,391 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2019-12-07 15:45:46,392 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 15:45:46,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,402 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,402 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,409 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,409 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,439 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-07 15:45:46,439 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 [2019-12-07 15:45:46,440 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-12-07 15:45:46,447 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. [2019-12-07 15:45:46,448 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 [2019-12-07 15:45:46,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 15:45:46,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:46,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2019-12-07 15:45:46,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:46,448 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:46,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,458 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,458 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,464 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,465 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-07 15:45:46,494 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 [2019-12-07 15:45:46,494 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-12-07 15:45:46,501 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. [2019-12-07 15:45:46,502 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 [2019-12-07 15:45:46,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 15:45:46,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2019-12-07 15:45:46,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2019-12-07 15:45:46,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:46,502 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:46,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,512 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,512 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,518 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,519 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-07 15:45:46,551 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 [2019-12-07 15:45:46,551 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-12-07 15:45:46,566 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. [2019-12-07 15:45:46,566 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 [2019-12-07 15:45:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 15:45:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2019-12-07 15:45:46,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2019-12-07 15:45:46,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:46,567 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 15:45:46,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:45:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,578 INFO L264 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,578 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:45:46,585 INFO L264 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2019-12-07 15:45:46,586 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:45:46,615 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-07 15:45:46,615 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 [2019-12-07 15:45:46,615 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2019-12-07 15:45:46,649 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. [2019-12-07 15:45:46,650 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 [2019-12-07 15:45:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-12-07 15:45:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2019-12-07 15:45:46,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2019-12-07 15:45:46,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:46,650 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2019-12-07 15:45:46,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:46,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2019-12-07 15:45:46,651 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:45:46,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2019-12-07 15:45:46,659 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:45:46,659 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2019-12-07 15:45:46,659 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:45:46,659 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:45:46,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:45:46,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:45:46,659 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:45:46,659 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:45:46,659 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:45:46,659 INFO L424 BuchiCegarLoop]: ======== Iteration 15============ [2019-12-07 15:45:46,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:45:46,659 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:45:46,659 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:45:46,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:45:46 BoogieIcfgContainer [2019-12-07 15:45:46,664 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:45:46,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:45:46,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:45:46,664 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:45:46,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:45:39" (3/4) ... [2019-12-07 15:45:46,667 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:45:46,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:45:46,668 INFO L168 Benchmark]: Toolchain (without parser) took 7580.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 265.8 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -104.4 MB). Peak memory consumption was 161.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:46,668 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:45:46,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:46,669 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:46,669 INFO L168 Benchmark]: Boogie Preprocessor took 11.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:45:46,669 INFO L168 Benchmark]: RCFGBuilder took 128.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:46,669 INFO L168 Benchmark]: BuchiAutomizer took 7230.99 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 192.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:45:46,669 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:45:46,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -142.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 128.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7230.99 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 175.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.8 MB). Peak memory consumption was 192.0 MB. Max. memory is 11.5 GB. * Witness Printer took 2.86 ms. Allocated memory is still 1.3 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 17 terminating modules (4 trivial, 4 deterministic, 9 nondeterministic). One deterministic module has affine ranking function n and consists of 4 locations. One deterministic module has affine ranking function c and consists of 3 locations. One deterministic module has affine ranking function -2 * n + 211 and consists of 3 locations. One deterministic module has affine ranking function n and consists of 5 locations. One nondeterministic module has affine ranking function c and consists of 3 locations. One nondeterministic module has affine ranking function -2 * n + 211 and consists of 3 locations. One nondeterministic module has affine ranking function -2 * n + 201 and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 5 locations. One nondeterministic module has affine ranking function n and consists of 7 locations. One nondeterministic module has affine ranking function n and consists of 9 locations. One nondeterministic module has affine ranking function n and consists of 11 locations. One nondeterministic module has affine ranking function n and consists of 13 locations. One nondeterministic module has affine ranking function c and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 3.2s. Construction of modules took 0.2s. Büchi inclusion checks took 3.2s. Highest rank in rank-based complementation 7. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 0.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 3227 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.1s 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, 0.2s 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: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...