./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:17:47,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:47,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:47,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:47,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:47,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:47,207 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:47,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:47,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:47,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:47,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:47,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:47,247 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:47,249 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:47,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:47,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:47,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:47,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:47,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:47,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:47,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:47,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:47,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:47,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:47,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:47,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:47,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:47,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:47,307 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:47,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:47,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:47,310 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:47,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:47,316 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:47,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:47,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:47,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:47,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:47,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:47,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:47,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:47,326 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:17:47,391 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:47,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:47,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:47,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:47,394 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:47,395 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:17:47,395 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:17:47,395 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:17:47,396 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:17:47,396 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:17:47,397 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:17:47,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:47,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:17:47,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:47,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:47,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:17:47,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:17:47,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:17:47,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:47,401 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:17:47,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:47,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:17:47,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:47,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:47,402 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:17:47,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:47,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:47,403 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:47,403 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:17:47,406 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:17:47,407 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2020-11-28 03:17:47,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:47,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:47,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:47,775 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:47,776 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:47,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2020-11-28 03:17:47,879 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/data/45599aed7/76d17f48cee24a4bb0edfeaf916c407d/FLAG8efcd83e0 [2020-11-28 03:17:48,434 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:48,435 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2020-11-28 03:17:48,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/data/45599aed7/76d17f48cee24a4bb0edfeaf916c407d/FLAG8efcd83e0 [2020-11-28 03:17:48,783 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/bin/uautomizer/data/45599aed7/76d17f48cee24a4bb0edfeaf916c407d [2020-11-28 03:17:48,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:48,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:48,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:48,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:48,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:48,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:48" (1/1) ... [2020-11-28 03:17:48,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28478c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48, skipping insertion in model container [2020-11-28 03:17:48,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:48" (1/1) ... [2020-11-28 03:17:48,811 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:48,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:49,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:49,024 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:49,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:49,096 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:49,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49 WrapperNode [2020-11-28 03:17:49,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:49,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:49,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:49,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:49,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,120 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:49,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:49,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:49,147 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:49,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... [2020-11-28 03:17:49,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:49,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:49,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:49,177 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:49,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:49,495 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:49,498 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:17:49,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:49 BoogieIcfgContainer [2020-11-28 03:17:49,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:49,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:17:49,503 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:17:49,508 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:17:49,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:49,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:17:48" (1/3) ... [2020-11-28 03:17:49,513 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b537eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:49, skipping insertion in model container [2020-11-28 03:17:49,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:49,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:49" (2/3) ... [2020-11-28 03:17:49,514 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b537eb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:49, skipping insertion in model container [2020-11-28 03:17:49,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:17:49,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:49" (3/3) ... [2020-11-28 03:17:49,516 INFO L373 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2020-11-28 03:17:49,611 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:17:49,611 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:17:49,612 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:17:49,612 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:49,612 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:49,612 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:17:49,613 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:49,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:17:49,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-28 03:17:49,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:17:49,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:49,654 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:49,661 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:17:49,662 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:17:49,662 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:17:49,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-28 03:17:49,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:17:49,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:49,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:49,664 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:17:49,665 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:17:49,674 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 [2020-11-28 03:17:49,674 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 [2020-11-28 03:17:49,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:49,682 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-28 03:17:49,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:49,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372021331] [2020-11-28 03:17:49,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:49,781 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:49,787 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:49,807 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:49,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:49,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2020-11-28 03:17:49,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:49,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081806322] [2020-11-28 03:17:49,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:49,827 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:49,834 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:49,836 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:49,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:49,839 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2020-11-28 03:17:49,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:49,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970173012] [2020-11-28 03:17:49,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:49,852 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:49,859 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:49,861 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:49,973 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-11-28 03:17:50,022 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:50,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:50,024 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:50,024 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:50,024 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:50,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:50,025 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:50,025 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:50,025 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2020-11-28 03:17:50,025 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:50,026 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:50,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,334 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:50,335 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:50,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:50,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:50,356 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:50,356 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:50,386 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:50,386 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:50,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:50,416 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:50,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:50,465 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:50,510 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:50,510 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:50,546 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:50,548 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:50,549 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:50,549 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:50,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:50,549 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:50,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:50,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:50,550 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:50,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2020-11-28 03:17:50,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:50,550 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:50,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,573 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:50,756 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:50,762 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:50,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:50,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:50,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:50,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:50,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:50,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:50,778 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:50,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:50,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:50,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:50,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:50,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:50,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:50,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:50,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:50,847 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:50,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:50,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:50,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:50,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:50,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:50,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:50,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:50,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:50,919 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:50,926 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:50,926 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:50,968 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:50,968 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:50,968 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:50,969 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2020-11-28 03:17:50,999 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:51,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:51,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:51,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:51,082 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:51,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:51,106 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 [2020-11-28 03:17:51,107 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2020-11-28 03:17:51,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 6 states. [2020-11-28 03:17:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:51,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2020-11-28 03:17:51,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2020-11-28 03:17:51,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:51,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-28 03:17:51,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:51,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2020-11-28 03:17:51,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:51,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2020-11-28 03:17:51,210 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:17:51,214 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2020-11-28 03:17:51,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-28 03:17:51,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-11-28 03:17:51,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2020-11-28 03:17:51,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:51,217 INFO L691 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-11-28 03:17:51,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2020-11-28 03:17:51,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-11-28 03:17:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:17:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-11-28 03:17:51,242 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-11-28 03:17:51,243 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-11-28 03:17:51,243 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:17:51,243 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2020-11-28 03:17:51,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:17:51,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:51,244 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:51,244 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:17:51,244 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:17:51,244 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 [2020-11-28 03:17:51,245 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 [2020-11-28 03:17:51,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:51,245 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2020-11-28 03:17:51,245 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:51,245 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801030843] [2020-11-28 03:17:51,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:51,253 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:51,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:51,261 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:51,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:51,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2020-11-28 03:17:51,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:51,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180380276] [2020-11-28 03:17:51,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:51,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:51,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:51,275 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:51,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:51,276 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2020-11-28 03:17:51,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:51,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149766448] [2020-11-28 03:17:51,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:51,292 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:51,311 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:51,313 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:51,348 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:51,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:51,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:51,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:51,348 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:51,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:51,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:51,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:51,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2020-11-28 03:17:51,349 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:51,349 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:51,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,716 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:51,716 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:51,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:51,729 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:51,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:51,737 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:51,794 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:51,794 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:51,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:51,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:51,906 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:51,909 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:51,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:51,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:51,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:51,909 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:51,909 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:51,909 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:51,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:51,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2020-11-28 03:17:51,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:51,910 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:51,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:51,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,058 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:52,058 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:52,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:52,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:52,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:52,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:52,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,080 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:52,082 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:52,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:52,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:52,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:52,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:52,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:52,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:52,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:52,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:52,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,155 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:52,163 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-11-28 03:17:52,163 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:52,171 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:52,172 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:52,172 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:52,172 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,217 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:52,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:52,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:52,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:52,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:52,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:52,287 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:52,287 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2020-11-28 03:17:52,306 INFO L75 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. [2020-11-28 03:17:52,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2020-11-28 03:17:52,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-28 03:17:52,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:52,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:17:52,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:52,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2020-11-28 03:17:52,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:52,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2020-11-28 03:17:52,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:17:52,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2020-11-28 03:17:52,310 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-28 03:17:52,310 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-11-28 03:17:52,310 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2020-11-28 03:17:52,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:52,311 INFO L691 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2020-11-28 03:17:52,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2020-11-28 03:17:52,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2020-11-28 03:17:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:17:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2020-11-28 03:17:52,313 INFO L714 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2020-11-28 03:17:52,313 INFO L594 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2020-11-28 03:17:52,313 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:17:52,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2020-11-28 03:17:52,314 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:17:52,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:52,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:52,315 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:17:52,315 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:17:52,315 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 [2020-11-28 03:17:52,315 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 [2020-11-28 03:17:52,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:52,316 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2020-11-28 03:17:52,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:52,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985474489] [2020-11-28 03:17:52,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:52,328 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:52,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:52,337 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:52,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:52,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2020-11-28 03:17:52,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:52,339 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880321166] [2020-11-28 03:17:52,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:52,345 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:52,349 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:52,350 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:52,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:52,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2020-11-28 03:17:52,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:52,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118455778] [2020-11-28 03:17:52,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:52,363 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:52,373 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:52,375 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:52,408 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:52,408 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:52,408 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:52,408 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:52,408 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:52,409 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,409 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:52,409 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:52,409 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2020-11-28 03:17:52,409 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:52,409 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:52,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,584 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:52,585 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:52,603 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:52,603 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,610 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:52,610 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:52,647 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:52,648 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:52,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:52,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:52,712 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:52,714 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:52,714 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:52,714 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:52,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:52,715 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:52,715 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,715 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:52,715 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:52,715 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2020-11-28 03:17:52,715 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:52,715 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:52,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:52,872 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:52,872 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:52,880 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 [2020-11-28 03:17:52,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:52,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:52,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:52,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:52,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:52,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:52,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:52,891 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-11-28 03:17:52,892 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:52,904 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:52,904 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:52,905 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:52,905 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:52,951 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:52,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:52,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:52,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,004 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:53,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:53,023 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:53,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:17:53,046 INFO L75 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. [2020-11-28 03:17:53,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:53,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2020-11-28 03:17:53,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:17:53,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:53,048 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:53,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:53,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,086 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:53,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:53,099 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:53,099 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:17:53,125 INFO L75 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. [2020-11-28 03:17:53,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2020-11-28 03:17:53,128 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:17:53,128 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:53,128 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:53,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:53,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:53,184 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:53,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:53,200 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:53,200 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand 3 states. [2020-11-28 03:17:53,223 INFO L75 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. [2020-11-28 03:17:53,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-28 03:17:53,224 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2020-11-28 03:17:53,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:53,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2020-11-28 03:17:53,225 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:53,225 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2020-11-28 03:17:53,226 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:53,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2020-11-28 03:17:53,227 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:17:53,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2020-11-28 03:17:53,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-11-28 03:17:53,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-11-28 03:17:53,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2020-11-28 03:17:53,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:53,229 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2020-11-28 03:17:53,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2020-11-28 03:17:53,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2020-11-28 03:17:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:53,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2020-11-28 03:17:53,230 INFO L714 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-28 03:17:53,230 INFO L594 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2020-11-28 03:17:53,230 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-11-28 03:17:53,230 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2020-11-28 03:17:53,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:17:53,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:53,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:53,235 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 03:17:53,235 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:17:53,236 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 [2020-11-28 03:17:53,236 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 [2020-11-28 03:17:53,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:53,236 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2020-11-28 03:17:53,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:53,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181404798] [2020-11-28 03:17:53,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:53,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:53,249 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:53,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:53,252 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:53,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:53,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2020-11-28 03:17:53,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:53,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957783006] [2020-11-28 03:17:53,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:53,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:53,283 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:53,284 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:53,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:53,285 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2020-11-28 03:17:53,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:53,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769302584] [2020-11-28 03:17:53,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:53,307 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:53,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:53,314 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:53,378 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:53,378 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:53,378 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:53,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:53,378 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:53,378 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:53,378 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:53,378 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:53,379 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2020-11-28 03:17:53,379 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:53,379 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:53,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,543 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:53,544 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:53,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:53,565 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:53,571 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:53,572 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:53,605 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:53,606 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:53,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:53,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:53,668 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:53,669 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=0}, {ULTIMATE.start_main_~c~0=1}] Lambdas: [2, 2, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:53,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:53,718 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:53,769 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:53,769 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:53,819 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:53,821 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:53,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:53,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:53,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:53,821 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:53,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:53,821 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:53,821 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:53,821 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2020-11-28 03:17:53,821 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:53,821 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:53,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:53,951 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:53,952 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:53,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:53,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:53,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:53,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:53,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:53,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:53,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:53,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:53,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:53,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:54,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:54,001 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:54,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:54,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:54,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:54,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:54,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:54,018 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:54,021 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:54,021 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:54,028 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:54,028 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:54,029 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:54,029 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:54,061 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:54,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:54,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:54,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:54,118 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:54,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:54,119 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 [2020-11-28 03:17:54,120 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand 3 states. [2020-11-28 03:17:54,131 INFO L75 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. [2020-11-28 03:17:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:54,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-11-28 03:17:54,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2020-11-28 03:17:54,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:54,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2020-11-28 03:17:54,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:54,134 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2020-11-28 03:17:54,134 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:54,135 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2020-11-28 03:17:54,136 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:17:54,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2020-11-28 03:17:54,137 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-28 03:17:54,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-11-28 03:17:54,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2020-11-28 03:17:54,137 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:54,137 INFO L691 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2020-11-28 03:17:54,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2020-11-28 03:17:54,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2020-11-28 03:17:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:17:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2020-11-28 03:17:54,139 INFO L714 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2020-11-28 03:17:54,139 INFO L594 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2020-11-28 03:17:54,139 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-11-28 03:17:54,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2020-11-28 03:17:54,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-28 03:17:54,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:54,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:54,142 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2020-11-28 03:17:54,142 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:17:54,142 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 [2020-11-28 03:17:54,142 INFO L796 eck$LassoCheckResult]: Loop: 309#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 310#L15-2 assume !!(main_~c~0 > 0); 309#L15 [2020-11-28 03:17:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:54,143 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2020-11-28 03:17:54,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:54,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880581728] [2020-11-28 03:17:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:54,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:54,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880581728] [2020-11-28 03:17:54,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:54,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:17:54,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91303757] [2020-11-28 03:17:54,194 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:17:54,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:54,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2020-11-28 03:17:54,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:54,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044062795] [2020-11-28 03:17:54,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:54,200 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:54,203 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:54,204 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:54,229 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:54,229 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:54,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:54,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:54,230 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:54,230 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:54,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:54,230 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:54,230 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2020-11-28 03:17:54,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:54,231 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:54,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,255 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,350 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:54,351 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,354 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:54,354 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,385 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:54,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:54,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:54,443 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=0}, {ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=1}] Lambdas: [1, 3, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:54,483 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:54,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:54,551 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:54,553 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:54,553 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:54,553 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:54,553 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:54,553 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:54,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:54,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:54,554 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:54,554 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2020-11-28 03:17:54,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:54,554 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:54,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:54,776 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:54,777 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:54,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:54,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:54,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:54,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:54,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:54,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:54,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:54,790 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:54,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:54,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:54,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:54,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:54,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:54,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:54,828 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:54,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:54,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:54,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:54,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:54,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:54,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:54,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:54,864 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:54,867 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:54,868 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:54,871 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:54,871 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:54,871 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:54,871 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2020-11-28 03:17:54,897 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:54,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:54,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:54,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:54,928 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:54,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:54,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:54,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-11-28 03:17:55,002 INFO L75 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. [2020-11-28 03:17:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:55,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2020-11-28 03:17:55,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:17:55,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,005 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:55,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,043 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:55,066 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:55,066 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-11-28 03:17:55,098 INFO L75 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. [2020-11-28 03:17:55,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:17:55,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:17:55,101 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,101 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:55,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:55,164 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:17:55,164 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand 3 states. [2020-11-28 03:17:55,179 INFO L75 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. [2020-11-28 03:17:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:17:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-11-28 03:17:55,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:17:55,180 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2020-11-28 03:17:55,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-28 03:17:55,182 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,182 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2020-11-28 03:17:55,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-11-28 03:17:55,184 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2020-11-28 03:17:55,184 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-11-28 03:17:55,184 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-11-28 03:17:55,184 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2020-11-28 03:17:55,185 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:55,185 INFO L691 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2020-11-28 03:17:55,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2020-11-28 03:17:55,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2020-11-28 03:17:55,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:17:55,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2020-11-28 03:17:55,187 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2020-11-28 03:17:55,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:55,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:55,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:55,192 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand 4 states. [2020-11-28 03:17:55,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:55,215 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2020-11-28 03:17:55,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:55,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2020-11-28 03:17:55,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:17:55,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2020-11-28 03:17:55,218 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-11-28 03:17:55,218 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-11-28 03:17:55,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2020-11-28 03:17:55,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:55,218 INFO L691 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2020-11-28 03:17:55,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2020-11-28 03:17:55,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2020-11-28 03:17:55,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:17:55,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2020-11-28 03:17:55,220 INFO L714 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-11-28 03:17:55,220 INFO L594 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2020-11-28 03:17:55,220 INFO L427 BuchiCegarLoop]: ======== Iteration 6============ [2020-11-28 03:17:55,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2020-11-28 03:17:55,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2020-11-28 03:17:55,221 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:55,221 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:55,222 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2020-11-28 03:17:55,222 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2020-11-28 03:17:55,222 INFO L794 eck$LassoCheckResult]: Stem: 462#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 463#L15-2 assume !!(main_~c~0 > 0); 461#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 460#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 459#L15 [2020-11-28 03:17:55,222 INFO L796 eck$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 [2020-11-28 03:17:55,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,223 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2020-11-28 03:17:55,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:55,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109256864] [2020-11-28 03:17:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:55,231 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:55,237 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:55,239 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:55,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2020-11-28 03:17:55,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:55,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395181508] [2020-11-28 03:17:55,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:55,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:55,246 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:55,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:55,252 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:55,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2020-11-28 03:17:55,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:55,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783205793] [2020-11-28 03:17:55,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:55,263 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:55,271 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:55,273 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:55,332 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:55,333 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:55,333 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:55,333 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:55,333 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:55,333 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:55,333 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:55,333 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:55,333 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2020-11-28 03:17:55,333 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:55,333 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:55,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,466 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:55,466 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:55,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:55,476 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:55,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:55,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:55,541 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:55,542 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:55,543 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:55,543 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:55,543 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:55,543 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:55,543 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:55,543 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:55,543 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:55,543 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2020-11-28 03:17:55,543 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:55,543 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:55,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:55,658 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:55,658 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:55,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:55,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:55,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:55,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:55,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:55,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:55,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:55,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:55,671 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:55,674 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:55,674 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:55,676 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:55,676 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:55,676 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:55,677 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2020-11-28 03:17:55,702 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:55,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:55,806 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-28 03:17:55,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-28 03:17:55,815 INFO L75 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. [2020-11-28 03:17:55,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:55,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:17:55,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2020-11-28 03:17:55,816 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:17:55,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,816 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:55,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:55,906 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2020-11-28 03:17:55,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-28 03:17:55,943 INFO L75 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. [2020-11-28 03:17:55,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:17:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:17:55,946 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:17:55,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:55,946 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:55,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:55,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:55,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,036 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:56,036 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 [2020-11-28 03:17:56,037 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-28 03:17:56,047 INFO L75 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. [2020-11-28 03:17:56,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:17:56,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2020-11-28 03:17:56,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:17:56,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:56,049 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:56,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:56,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:56,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:56,081 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:56,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:56,151 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 [2020-11-28 03:17:56,151 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-28 03:17:56,180 INFO L75 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. [2020-11-28 03:17:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:56,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:17:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-28 03:17:56,182 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:17:56,183 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:56,183 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:56,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:56,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:56,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:56,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:56,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:56,274 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 [2020-11-28 03:17:56,275 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand 4 states. [2020-11-28 03:17:56,416 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 [2020-11-28 03:17:56,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-11-28 03:17:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2020-11-28 03:17:56,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2020-11-28 03:17:56,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:56,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2020-11-28 03:17:56,419 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:56,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2020-11-28 03:17:56,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:56,421 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2020-11-28 03:17:56,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2020-11-28 03:17:56,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2020-11-28 03:17:56,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2020-11-28 03:17:56,427 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2020-11-28 03:17:56,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2020-11-28 03:17:56,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:56,427 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2020-11-28 03:17:56,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2020-11-28 03:17:56,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2020-11-28 03:17:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-11-28 03:17:56,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2020-11-28 03:17:56,433 INFO L714 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2020-11-28 03:17:56,433 INFO L594 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2020-11-28 03:17:56,433 INFO L427 BuchiCegarLoop]: ======== Iteration 7============ [2020-11-28 03:17:56,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2020-11-28 03:17:56,434 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:17:56,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:56,434 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:56,434 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2020-11-28 03:17:56,434 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2020-11-28 03:17:56,434 INFO L794 eck$LassoCheckResult]: Stem: 826#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 828#L15-2 assume !!(main_~c~0 > 0); 825#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 824#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 823#L15 [2020-11-28 03:17:56,435 INFO L796 eck$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 [2020-11-28 03:17:56,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:56,435 INFO L82 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2020-11-28 03:17:56,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:56,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622625798] [2020-11-28 03:17:56,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:56,472 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:17:56,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622625798] [2020-11-28 03:17:56,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626780610] [2020-11-28 03:17:56,472 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:56,496 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-11-28 03:17:56,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-11-28 03:17:56,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2020-11-28 03:17:56,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:17:56,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:17:56,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2020-11-28 03:17:56,508 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142330845] [2020-11-28 03:17:56,508 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-11-28 03:17:56,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:56,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2020-11-28 03:17:56,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:56,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774934658] [2020-11-28 03:17:56,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:56,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:56,520 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:56,521 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:56,651 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2020-11-28 03:17:56,679 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:56,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:56,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:56,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:56,679 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:56,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:56,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:56,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:56,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2020-11-28 03:17:56,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:56,680 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:56,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,794 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:56,794 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:56,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:56,811 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:56,816 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:56,816 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:56,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:56,865 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:56,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:56,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:56,918 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:56,959 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:56,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:56,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:56,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:56,960 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:56,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:56,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:56,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:56,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2020-11-28 03:17:56,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:56,960 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:56,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:56,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:57,057 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:57,057 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:57,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:57,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:57,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:57,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:57,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:57,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:57,067 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:57,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:57,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:57,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:57,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:57,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:57,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:57,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:57,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:57,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:57,130 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:57,133 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:57,133 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:57,136 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:57,136 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:57,136 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:57,136 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2020-11-28 03:17:57,161 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:57,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:57,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:57,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:57,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:17:57,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:57,286 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 [2020-11-28 03:17:57,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9 Second operand 5 states. [2020-11-28 03:17:57,349 INFO L75 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. [2020-11-28 03:17:57,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:57,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2020-11-28 03:17:57,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2020-11-28 03:17:57,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:57,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2020-11-28 03:17:57,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:57,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2020-11-28 03:17:57,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:57,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2020-11-28 03:17:57,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:17:57,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2020-11-28 03:17:57,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2020-11-28 03:17:57,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2020-11-28 03:17:57,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2020-11-28 03:17:57,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:57,357 INFO L691 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2020-11-28 03:17:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2020-11-28 03:17:57,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2020-11-28 03:17:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 03:17:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2020-11-28 03:17:57,377 INFO L714 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2020-11-28 03:17:57,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:57,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:17:57,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:17:57,379 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand 5 states. [2020-11-28 03:17:57,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:57,421 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2020-11-28 03:17:57,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 03:17:57,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2020-11-28 03:17:57,424 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:17:57,425 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2020-11-28 03:17:57,425 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2020-11-28 03:17:57,425 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2020-11-28 03:17:57,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2020-11-28 03:17:57,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:57,425 INFO L691 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2020-11-28 03:17:57,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2020-11-28 03:17:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2020-11-28 03:17:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-28 03:17:57,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2020-11-28 03:17:57,428 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2020-11-28 03:17:57,428 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2020-11-28 03:17:57,428 INFO L427 BuchiCegarLoop]: ======== Iteration 8============ [2020-11-28 03:17:57,429 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2020-11-28 03:17:57,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2020-11-28 03:17:57,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:57,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:57,430 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2020-11-28 03:17:57,434 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2020-11-28 03:17:57,434 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 [2020-11-28 03:17:57,434 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 [2020-11-28 03:17:57,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:57,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2020-11-28 03:17:57,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:57,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626915661] [2020-11-28 03:17:57,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:57,458 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:57,470 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:57,472 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:57,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:57,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2020-11-28 03:17:57,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:57,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465934922] [2020-11-28 03:17:57,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:57,494 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:57,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:57,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:57,504 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:57,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:57,507 INFO L82 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2020-11-28 03:17:57,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:57,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089611126] [2020-11-28 03:17:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:57,674 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:17:57,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089611126] [2020-11-28 03:17:57,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750942028] [2020-11-28 03:17:57,675 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:57,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 03:17:57,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:57,719 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:17:57,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:17:57,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-11-28 03:17:57,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913505528] [2020-11-28 03:17:57,794 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:57,794 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:57,794 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:57,794 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:57,794 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:57,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:57,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:57,795 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:57,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2020-11-28 03:17:57,795 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:57,795 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:57,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:57,814 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:57,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:57,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:57,897 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:57,897 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:57,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:57,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:57,903 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:57,904 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:57,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:57,931 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:57,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:57,961 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:17:58,049 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:58,051 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:58,051 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:58,051 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:58,051 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:58,051 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:58,051 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:58,052 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:58,052 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:58,052 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2020-11-28 03:17:58,052 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:58,052 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:58,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:58,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:58,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:58,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:58,150 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:58,150 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:58,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:58,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:58,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:58,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:58,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:58,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:58,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:58,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:58,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:58,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:58,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:58,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:58,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:58,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:58,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:58,234 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:58,236 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:58,240 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:58,240 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:58,242 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:58,242 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:58,242 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:58,243 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2020-11-28 03:17:58,268 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:58,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,357 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:58,358 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 [2020-11-28 03:17:58,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2020-11-28 03:17:58,398 INFO L75 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. [2020-11-28 03:17:58,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:58,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2020-11-28 03:17:58,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-28 03:17:58,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:58,405 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:58,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:58,493 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 [2020-11-28 03:17:58,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2020-11-28 03:17:58,523 INFO L75 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. [2020-11-28 03:17:58,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:58,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2020-11-28 03:17:58,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-28 03:17:58,525 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:58,526 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:58,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:17:58,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:58,688 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 [2020-11-28 03:17:58,688 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand 5 states. [2020-11-28 03:17:58,745 INFO L75 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. [2020-11-28 03:17:58,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:58,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-11-28 03:17:58,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2020-11-28 03:17:58,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2020-11-28 03:17:58,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:58,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2020-11-28 03:17:58,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:58,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2020-11-28 03:17:58,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:58,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2020-11-28 03:17:58,751 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2020-11-28 03:17:58,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2020-11-28 03:17:58,753 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-11-28 03:17:58,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-11-28 03:17:58,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2020-11-28 03:17:58,754 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:58,754 INFO L691 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-11-28 03:17:58,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2020-11-28 03:17:58,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2020-11-28 03:17:58,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-28 03:17:58,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2020-11-28 03:17:58,759 INFO L714 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2020-11-28 03:17:58,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:58,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:17:58,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:17:58,760 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand 7 states. [2020-11-28 03:17:58,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:58,804 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2020-11-28 03:17:58,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 03:17:58,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 85 transitions. [2020-11-28 03:17:58,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2020-11-28 03:17:58,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 51 states and 67 transitions. [2020-11-28 03:17:58,807 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2020-11-28 03:17:58,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-28 03:17:58,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 67 transitions. [2020-11-28 03:17:58,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:58,808 INFO L691 BuchiCegarLoop]: Abstraction has 51 states and 67 transitions. [2020-11-28 03:17:58,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 67 transitions. [2020-11-28 03:17:58,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 33. [2020-11-28 03:17:58,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:17:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2020-11-28 03:17:58,813 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-11-28 03:17:58,813 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-11-28 03:17:58,813 INFO L427 BuchiCegarLoop]: ======== Iteration 9============ [2020-11-28 03:17:58,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2020-11-28 03:17:58,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2020-11-28 03:17:58,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:58,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:58,815 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:17:58,815 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2020-11-28 03:17:58,815 INFO L794 eck$LassoCheckResult]: Stem: 1638#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; 1640#L15-2 assume !!(main_~c~0 > 0); 1654#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1649#L15-2 assume !!(main_~c~0 > 0); 1645#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1646#L15-2 [2020-11-28 03:17:58,815 INFO L796 eck$LassoCheckResult]: Loop: 1646#L15-2 assume !!(main_~c~0 > 0); 1643#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1644#L15-2 assume !!(main_~c~0 > 0); 1648#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1641#L15-2 assume !!(main_~c~0 > 0); 1634#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1635#L15-2 assume !!(main_~c~0 > 0); 1645#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1646#L15-2 [2020-11-28 03:17:58,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,816 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2020-11-28 03:17:58,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:58,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163091403] [2020-11-28 03:17:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,821 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,825 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,826 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:58,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2020-11-28 03:17:58,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:58,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43666722] [2020-11-28 03:17:58,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:58,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-28 03:17:58,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43666722] [2020-11-28 03:17:58,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:58,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:17:58,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973847810] [2020-11-28 03:17:58,850 INFO L811 eck$LassoCheckResult]: loop already infeasible [2020-11-28 03:17:58,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:58,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:58,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:58,851 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand 4 states. [2020-11-28 03:17:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:58,866 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2020-11-28 03:17:58,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:58,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2020-11-28 03:17:58,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-11-28 03:17:58,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2020-11-28 03:17:58,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2020-11-28 03:17:58,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:17:58,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2020-11-28 03:17:58,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:17:58,869 INFO L691 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2020-11-28 03:17:58,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2020-11-28 03:17:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2020-11-28 03:17:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-28 03:17:58,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2020-11-28 03:17:58,872 INFO L714 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2020-11-28 03:17:58,873 INFO L594 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2020-11-28 03:17:58,873 INFO L427 BuchiCegarLoop]: ======== Iteration 10============ [2020-11-28 03:17:58,873 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2020-11-28 03:17:58,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2020-11-28 03:17:58,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:17:58,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:17:58,874 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:17:58,874 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2020-11-28 03:17:58,874 INFO L794 eck$LassoCheckResult]: Stem: 1729#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1731#L15-2 assume !!(main_~c~0 > 0); 1745#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1740#L15-2 assume !!(main_~c~0 > 0); 1736#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1732#L15-2 [2020-11-28 03:17:58,874 INFO L796 eck$LassoCheckResult]: Loop: 1732#L15-2 assume !!(main_~c~0 > 0); 1733#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1735#L15-2 assume !!(main_~c~0 > 0); 1741#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1739#L15-2 assume !!(main_~c~0 > 0); 1725#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1726#L15-2 assume !!(main_~c~0 > 0); 1744#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 1742#L15-2 assume !!(main_~c~0 > 0); 1738#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1732#L15-2 [2020-11-28 03:17:58,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,875 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2020-11-28 03:17:58,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:58,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309665178] [2020-11-28 03:17:58,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,880 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,885 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:58,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2020-11-28 03:17:58,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:58,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922867504] [2020-11-28 03:17:58,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,899 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,900 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:58,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:58,901 INFO L82 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2020-11-28 03:17:58,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:58,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324199236] [2020-11-28 03:17:58,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:58,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:58,921 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:59,026 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-11-28 03:17:59,041 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:59,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:59,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:59,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:59,041 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:17:59,041 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:59,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:59,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:59,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2020-11-28 03:17:59,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:59,042 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:59,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,129 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:59,129 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:59,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:59,140 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:59,145 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:17:59,145 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:59,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:17:59,178 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:17:59,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:17:59,209 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:59,258 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:17:59,260 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:17:59,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:17:59,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:17:59,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:17:59,260 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:17:59,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:17:59,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:17:59,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:17:59,260 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2020-11-28 03:17:59,260 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:17:59,260 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:17:59,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:17:59,352 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:17:59,352 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:59,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:59,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:59,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:59,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:59,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:59,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:17:59,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:17:59,364 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:59,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:17:59,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:17:59,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:17:59,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:17:59,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:17:59,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:17:59,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:17:59,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:17:59,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:17:59,401 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:17:59,401 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:17:59,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:17:59,403 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:17:59,403 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:17:59,403 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2020-11-28 03:17:59,429 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:17:59,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:59,565 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 [2020-11-28 03:17:59,565 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2020-11-28 03:17:59,581 INFO L75 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. [2020-11-28 03:17:59,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:17:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:17:59,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-28 03:17:59,583 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:59,583 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:59,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:59,742 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 [2020-11-28 03:17:59,742 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2020-11-28 03:17:59,748 INFO L75 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. [2020-11-28 03:17:59,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:59,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:17:59,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:17:59,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-28 03:17:59,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:59,749 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:59,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:59,859 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 [2020-11-28 03:17:59,859 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2020-11-28 03:17:59,866 INFO L75 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. [2020-11-28 03:17:59,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:17:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:17:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-28 03:17:59,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-28 03:17:59,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:17:59,872 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:17:59,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:59,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:17:59,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:59,978 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 [2020-11-28 03:17:59,978 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2020-11-28 03:18:00,028 INFO L75 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. [2020-11-28 03:18:00,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:18:00,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-11-28 03:18:00,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-28 03:18:00,029 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:00,029 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:00,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:00,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:00,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:18:00,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:00,145 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 [2020-11-28 03:18:00,145 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand 7 states. [2020-11-28 03:18:00,229 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,230 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,230 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,231 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,288 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,289 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,289 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,289 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,291 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:00,303 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 [2020-11-28 03:18:00,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-11-28 03:18:00,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2020-11-28 03:18:00,305 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2020-11-28 03:18:00,306 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:00,306 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2020-11-28 03:18:00,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:00,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2020-11-28 03:18:00,310 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:00,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2020-11-28 03:18:00,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2020-11-28 03:18:00,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2020-11-28 03:18:00,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-11-28 03:18:00,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2020-11-28 03:18:00,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2020-11-28 03:18:00,322 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:18:00,322 INFO L691 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2020-11-28 03:18:00,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2020-11-28 03:18:00,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2020-11-28 03:18:00,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-11-28 03:18:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2020-11-28 03:18:00,332 INFO L714 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2020-11-28 03:18:00,332 INFO L594 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2020-11-28 03:18:00,332 INFO L427 BuchiCegarLoop]: ======== Iteration 11============ [2020-11-28 03:18:00,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2020-11-28 03:18:00,333 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2020-11-28 03:18:00,333 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:00,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:00,334 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:18:00,334 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2020-11-28 03:18:00,335 INFO L794 eck$LassoCheckResult]: Stem: 2722#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 2725#L15-2 assume !!(main_~c~0 > 0); 2753#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2742#L15-2 assume !!(main_~c~0 > 0); 2730#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2727#L15-2 [2020-11-28 03:18:00,335 INFO L796 eck$LassoCheckResult]: Loop: 2727#L15-2 assume !!(main_~c~0 > 0); 2728#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2779#L15-2 assume !!(main_~c~0 > 0); 2773#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2771#L15-2 assume !!(main_~c~0 > 0); 2765#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2764#L15-2 assume !!(main_~c~0 > 0); 2763#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2755#L15-2 assume !!(main_~c~0 > 0); 2734#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2747#L15-2 assume !!(main_~c~0 > 0); 2745#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 2744#L15-2 assume !!(main_~c~0 > 0); 2732#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2727#L15-2 [2020-11-28 03:18:00,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:00,335 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2020-11-28 03:18:00,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:00,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619769767] [2020-11-28 03:18:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:00,340 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:00,344 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:00,345 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:00,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:00,346 INFO L82 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2020-11-28 03:18:00,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:00,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866082250] [2020-11-28 03:18:00,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:00,354 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:00,361 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:00,363 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:00,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:00,363 INFO L82 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2020-11-28 03:18:00,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:00,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564719743] [2020-11-28 03:18:00,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:00,374 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:00,383 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:00,385 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:00,532 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 55 [2020-11-28 03:18:00,586 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:00,587 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:00,587 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:00,587 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:00,587 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:18:00,587 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:00,587 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:00,587 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:00,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2020-11-28 03:18:00,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:00,588 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:00,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,667 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:00,668 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:00,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:00,670 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:00,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:18:00,700 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:18:00,730 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:18:00,731 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:00,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:00,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:00,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:00,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:00,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:00,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:00,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:00,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2020-11-28 03:18:00,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:00,732 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:00,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:00,862 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:00,862 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:00,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:00,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:00,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:00,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:00,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:00,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:00,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:00,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:00,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:00,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:00,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:00,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:00,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:00,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:00,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:00,911 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:00,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:00,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:00,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:00,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:00,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:00,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:00,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:00,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:00,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:18:00,947 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:18:00,947 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:00,950 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:18:00,950 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:18:00,950 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:18:00,950 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2020-11-28 03:18:00,974 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:18:01,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:01,181 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 [2020-11-28 03:18:01,182 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2020-11-28 03:18:01,190 INFO L75 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. [2020-11-28 03:18:01,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 03:18:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:01,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2020-11-28 03:18:01,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,192 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:01,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:01,352 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 [2020-11-28 03:18:01,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2020-11-28 03:18:01,373 INFO L75 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. [2020-11-28 03:18:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:01,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 03:18:01,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:01,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2020-11-28 03:18:01,375 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,376 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:01,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:01,520 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 [2020-11-28 03:18:01,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2020-11-28 03:18:01,542 INFO L75 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. [2020-11-28 03:18:01,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:01,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 03:18:01,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-28 03:18:01,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2020-11-28 03:18:01,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,544 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:01,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,598 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:01,763 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 [2020-11-28 03:18:01,764 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2020-11-28 03:18:01,825 INFO L75 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. [2020-11-28 03:18:01,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:01,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 03:18:01,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-11-28 03:18:01,826 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2020-11-28 03:18:01,827 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:01,827 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:01,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:01,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2020-11-28 03:18:01,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:02,028 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:02,029 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 [2020-11-28 03:18:02,029 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand 9 states. [2020-11-28 03:18:02,108 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,108 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,110 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,111 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,111 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,112 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,112 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,113 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,115 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,115 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,116 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,116 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,226 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,230 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,231 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,231 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,231 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,234 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,240 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,240 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,240 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,241 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,241 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,241 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,242 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,242 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,332 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,333 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,333 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,333 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,334 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,334 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,340 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,340 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,340 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,341 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,341 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,341 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,342 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,342 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,342 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,342 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,343 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,343 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,343 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,344 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,344 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,344 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,345 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,345 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,346 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,346 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:02,393 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 [2020-11-28 03:18:02,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 7 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:02,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-11-28 03:18:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2020-11-28 03:18:02,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2020-11-28 03:18:02,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:02,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2020-11-28 03:18:02,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:02,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2020-11-28 03:18:02,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:02,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2020-11-28 03:18:02,429 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2020-11-28 03:18:02,435 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2020-11-28 03:18:02,435 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2020-11-28 03:18:02,435 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2020-11-28 03:18:02,436 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2020-11-28 03:18:02,436 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:18:02,436 INFO L691 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2020-11-28 03:18:02,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2020-11-28 03:18:02,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2020-11-28 03:18:02,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-11-28 03:18:02,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2020-11-28 03:18:02,487 INFO L714 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2020-11-28 03:18:02,487 INFO L594 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2020-11-28 03:18:02,487 INFO L427 BuchiCegarLoop]: ======== Iteration 12============ [2020-11-28 03:18:02,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2020-11-28 03:18:02,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2020-11-28 03:18:02,490 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:02,490 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:02,490 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:18:02,491 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2020-11-28 03:18:02,491 INFO L794 eck$LassoCheckResult]: Stem: 5635#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 5640#L15-2 assume !!(main_~c~0 > 0); 5680#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5650#L15-2 assume !!(main_~c~0 > 0); 5647#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5644#L15-2 [2020-11-28 03:18:02,492 INFO L796 eck$LassoCheckResult]: Loop: 5644#L15-2 assume !!(main_~c~0 > 0); 5645#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5848#L15-2 assume !!(main_~c~0 > 0); 5778#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5776#L15-2 assume !!(main_~c~0 > 0); 5774#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5772#L15-2 assume !!(main_~c~0 > 0); 5768#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5769#L15-2 assume !!(main_~c~0 > 0); 5751#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5752#L15-2 assume !!(main_~c~0 > 0); 5748#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5749#L15-2 assume !!(main_~c~0 > 0); 5652#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5674#L15-2 assume !!(main_~c~0 > 0); 5653#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 5651#L15-2 assume !!(main_~c~0 > 0); 5649#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5644#L15-2 [2020-11-28 03:18:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:02,492 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2020-11-28 03:18:02,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:02,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228641239] [2020-11-28 03:18:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:02,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:02,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,524 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:02,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:02,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2020-11-28 03:18:02,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:02,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235311911] [2020-11-28 03:18:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:02,533 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:02,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,545 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:02,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:02,545 INFO L82 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2020-11-28 03:18:02,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:02,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601435153] [2020-11-28 03:18:02,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:02,560 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:02,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:02,581 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:02,806 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2020-11-28 03:18:02,821 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:02,821 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:02,821 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:02,821 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:02,821 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:18:02,821 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:02,821 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:02,821 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:02,821 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2020-11-28 03:18:02,821 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:02,821 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:02,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:02,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:02,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:02,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:02,951 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:02,951 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:02,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:02,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:18:02,959 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:18:02,960 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:02,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:02,988 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:03,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:18:03,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:18:03,048 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:18:03,049 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:03,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:03,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:03,050 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:03,050 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:03,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:03,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:03,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:03,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2020-11-28 03:18:03,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:03,050 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:03,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:03,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:03,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:03,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:03,129 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:03,129 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:03,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:03,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:03,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:03,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:03,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:03,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:03,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:03,142 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:03,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:03,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:03,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:03,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:03,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:03,174 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:03,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:03,180 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:03,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:03,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:03,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:03,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:03,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:03,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:03,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:03,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:03,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:18:03,216 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:18:03,216 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:03,219 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:18:03,219 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:18:03,219 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:18:03,219 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:03,245 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:18:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:03,420 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 [2020-11-28 03:18:03,420 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2020-11-28 03:18:03,438 INFO L75 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. [2020-11-28 03:18:03,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:18:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:03,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2020-11-28 03:18:03,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:03,442 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:03,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:03,671 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 [2020-11-28 03:18:03,671 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2020-11-28 03:18:03,679 INFO L75 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. [2020-11-28 03:18:03,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:03,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:18:03,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:03,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2020-11-28 03:18:03,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:03,680 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:03,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,879 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:03,880 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 [2020-11-28 03:18:03,880 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2020-11-28 03:18:03,900 INFO L75 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. [2020-11-28 03:18:03,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:03,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:18:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-28 03:18:03,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2020-11-28 03:18:03,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:03,902 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:03,940 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:18:03,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:04,094 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 [2020-11-28 03:18:04,094 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2020-11-28 03:18:04,153 INFO L75 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. [2020-11-28 03:18:04,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:18:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-11-28 03:18:04,155 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2020-11-28 03:18:04,155 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:04,155 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:04,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:04,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:04,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:04,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 03:18:04,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:04,351 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:04,351 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 [2020-11-28 03:18:04,351 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand 11 states. [2020-11-28 03:18:04,498 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,498 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,499 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,499 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,500 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,500 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,501 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,502 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,502 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,502 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,503 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,503 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,504 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,504 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,505 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,506 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,506 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,506 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,507 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,507 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,508 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,508 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,509 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,510 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,510 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,510 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,510 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,511 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,598 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,599 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,599 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,599 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,600 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,600 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,600 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,601 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,603 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,603 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,603 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,604 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,605 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,606 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,606 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,606 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,607 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,607 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,607 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,607 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,608 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,608 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,608 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,608 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,610 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,611 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,611 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,611 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,613 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,613 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,614 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,614 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,614 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,614 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,615 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,615 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,615 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,615 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,616 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,616 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,618 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,618 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,618 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,619 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,620 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,621 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,621 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,621 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,622 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,622 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,622 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,622 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,623 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,623 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,623 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,623 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,727 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,727 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,727 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,728 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,728 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,728 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,728 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,729 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,729 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,729 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,729 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,732 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,732 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,732 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,733 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,733 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,733 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,735 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,735 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,736 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,736 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,736 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,736 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,737 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,737 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,737 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,737 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,739 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,739 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,739 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,741 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,742 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,742 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,742 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,743 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,743 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,748 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,748 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,748 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,748 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,749 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,749 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,749 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,749 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,751 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,752 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,754 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,754 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,756 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,756 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,756 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,756 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,757 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,757 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,757 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,757 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,890 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,893 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,893 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,896 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,896 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,896 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,896 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,897 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,897 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,898 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,898 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,900 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,900 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,900 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,903 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,903 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,903 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,904 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,904 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,904 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,907 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,907 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,907 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,908 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,908 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,908 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,908 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,909 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,909 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,909 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,909 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,910 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,910 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,910 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,910 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,911 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,911 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,911 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,913 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,914 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,914 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,914 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,915 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,915 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,915 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,915 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:04,963 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 [2020-11-28 03:18:04,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 1 stem states 9 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2020-11-28 03:18:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2020-11-28 03:18:04,964 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2020-11-28 03:18:04,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:04,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2020-11-28 03:18:04,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:04,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2020-11-28 03:18:04,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:04,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2020-11-28 03:18:05,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2020-11-28 03:18:05,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2020-11-28 03:18:05,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2020-11-28 03:18:05,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2020-11-28 03:18:05,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2020-11-28 03:18:05,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:18:05,094 INFO L691 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2020-11-28 03:18:05,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2020-11-28 03:18:05,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2020-11-28 03:18:05,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2020-11-28 03:18:05,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2020-11-28 03:18:05,125 INFO L714 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2020-11-28 03:18:05,125 INFO L594 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2020-11-28 03:18:05,125 INFO L427 BuchiCegarLoop]: ======== Iteration 13============ [2020-11-28 03:18:05,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2020-11-28 03:18:05,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2020-11-28 03:18:05,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:05,131 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:05,132 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:18:05,132 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2020-11-28 03:18:05,132 INFO L794 eck$LassoCheckResult]: Stem: 13388#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 13397#L15-2 assume !!(main_~c~0 > 0); 13474#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13413#L15-2 assume !!(main_~c~0 > 0); 13409#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2020-11-28 03:18:05,132 INFO L796 eck$LassoCheckResult]: Loop: 13405#L15-2 assume !!(main_~c~0 > 0); 13406#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 14038#L15-2 assume !!(main_~c~0 > 0); 13902#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13900#L15-2 assume !!(main_~c~0 > 0); 13898#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13896#L15-2 assume !!(main_~c~0 > 0); 13894#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13890#L15-2 assume !!(main_~c~0 > 0); 13888#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13886#L15-2 assume !!(main_~c~0 > 0); 13882#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13883#L15-2 assume !!(main_~c~0 > 0); 13868#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13709#L15-2 assume !!(main_~c~0 > 0); 13866#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13867#L15-2 assume !!(main_~c~0 > 0); 13412#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13415#L15-2 assume !!(main_~c~0 > 0); 13414#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 13411#L15-2 assume !!(main_~c~0 > 0); 13408#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2020-11-28 03:18:05,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:05,133 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2020-11-28 03:18:05,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:05,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260318449] [2020-11-28 03:18:05,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:05,141 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:05,146 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:05,147 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:05,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:05,149 INFO L82 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2020-11-28 03:18:05,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:05,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533299161] [2020-11-28 03:18:05,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:05,170 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:05,183 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:05,185 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:05,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:05,187 INFO L82 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2020-11-28 03:18:05,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:05,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111196051] [2020-11-28 03:18:05,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:05,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:05,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:05,217 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:05,587 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 79 [2020-11-28 03:18:05,606 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:05,606 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:05,606 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:05,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:05,606 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:18:05,607 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:05,607 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:05,607 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:05,607 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2020-11-28 03:18:05,607 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:05,607 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:05,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,712 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:05,712 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:05,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:05,716 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:05,721 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:18:05,721 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:05,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:05,768 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:05,772 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-11-28 03:18:05,773 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:05,802 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:05,802 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:05,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:18:05,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:18:05,860 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:18:05,861 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:05,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:05,862 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:05,862 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:05,862 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:05,862 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:05,862 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:05,862 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:05,862 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2020-11-28 03:18:05,862 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:05,862 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:05,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:05,974 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:05,974 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:05,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:05,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:05,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:05,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:05,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:05,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:05,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:05,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:06,011 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:06,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:06,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:06,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:06,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:06,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:06,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:18:06,018 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:06,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:06,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:06,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:06,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:06,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:06,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:06,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:06,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:18:06,052 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:18:06,055 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-11-28 03:18:06,056 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_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:06,058 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:18:06,058 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:18:06,058 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:18:06,058 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2020-11-28 03:18:06,090 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:18:06,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:06,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:06,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:06,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:18:06,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:06,331 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 [2020-11-28 03:18:06,331 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2020-11-28 03:18:06,345 INFO L75 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. [2020-11-28 03:18:06,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:06,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 03:18:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:06,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2020-11-28 03:18:06,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:06,347 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:06,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:06,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:06,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:06,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:18:06,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:06,641 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 [2020-11-28 03:18:06,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2020-11-28 03:18:06,653 INFO L75 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. [2020-11-28 03:18:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 03:18:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:06,654 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2020-11-28 03:18:06,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:06,654 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:06,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:06,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:06,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:06,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:18:06,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:06,972 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:06,972 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 [2020-11-28 03:18:06,972 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2020-11-28 03:18:06,990 INFO L75 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. [2020-11-28 03:18:06,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 03:18:06,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2020-11-28 03:18:06,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2020-11-28 03:18:06,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:06,992 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:07,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:07,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:07,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:07,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:18:07,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:07,262 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 [2020-11-28 03:18:07,263 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2020-11-28 03:18:07,365 INFO L75 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. [2020-11-28 03:18:07,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 03:18:07,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2020-11-28 03:18:07,367 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2020-11-28 03:18:07,367 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:07,367 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:07,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:07,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:07,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:07,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-28 03:18:07,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:18:07,642 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 [2020-11-28 03:18:07,642 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand 13 states. [2020-11-28 03:18:07,736 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,736 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,737 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,738 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,739 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,739 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,740 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,740 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,741 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,742 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,742 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,743 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,743 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,744 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,744 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,744 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,745 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,745 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,745 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,745 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,746 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,747 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,748 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,748 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,749 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,749 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,750 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,751 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,751 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,752 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,752 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,752 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,752 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,753 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,753 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,754 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,754 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,755 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,756 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,756 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,757 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,757 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,758 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,758 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,758 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,758 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,759 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,852 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,852 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,852 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,853 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,854 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,854 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,855 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,855 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,856 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,857 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,857 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,857 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,859 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,859 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,859 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,860 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,861 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,861 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,862 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,862 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,863 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,864 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,864 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,864 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,866 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,866 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,866 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,867 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,868 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,868 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,869 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,869 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,869 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,869 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,870 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,870 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,870 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,870 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,871 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,871 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,871 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,871 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,872 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,872 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,872 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,872 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,873 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,873 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,873 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,873 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,874 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,874 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,874 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,874 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,874 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,875 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,875 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,875 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,875 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,876 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,876 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,876 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,876 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,877 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,878 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,878 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,879 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,879 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,880 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,881 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,881 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,881 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,882 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,882 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,882 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,882 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,883 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,883 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,883 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,883 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,885 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,885 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,885 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,886 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,886 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,886 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,886 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,887 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,888 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,888 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,889 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,889 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,890 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,891 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,892 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,893 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,893 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,893 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,893 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,895 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,895 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,895 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,896 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,897 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,897 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,898 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,898 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,898 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,898 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,899 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,900 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:07,900 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,001 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,002 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,002 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,002 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,002 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,003 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,005 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,005 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,005 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,005 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,006 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,006 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,008 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,008 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,008 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,009 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,009 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,009 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,012 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,012 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,013 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,013 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,013 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,013 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,015 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,016 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,016 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,016 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,016 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,017 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,018 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,019 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,019 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,019 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,020 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,020 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,022 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,022 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,022 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,023 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,023 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,023 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,025 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,025 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,026 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,026 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,026 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,026 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,027 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,027 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,027 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,027 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,028 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,028 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,028 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,028 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,028 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,029 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,029 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,029 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,029 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,030 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,030 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,030 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,030 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,031 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,031 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,031 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,031 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,031 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,032 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,032 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,032 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,032 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,033 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,033 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,033 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,033 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,034 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,034 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,034 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,034 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,034 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,035 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,035 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,035 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,035 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,036 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,036 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,036 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,036 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,037 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,037 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,037 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,037 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,037 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,039 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,040 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,040 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,040 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,040 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,041 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,043 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,043 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,043 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,044 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,044 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,044 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,044 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,045 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,045 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,045 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,045 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,045 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,046 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,046 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,046 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,046 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,047 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,047 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,047 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,048 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,050 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,050 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,050 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,051 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,051 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,051 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,053 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,053 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,054 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,054 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,054 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,054 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,055 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,055 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,055 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,055 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,056 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,056 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,056 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,056 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,057 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,057 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,057 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,057 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,059 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,060 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,060 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,060 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,060 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,061 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,063 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,063 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,063 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,064 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,064 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,064 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,064 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,065 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,065 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,065 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,065 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,065 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,066 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,066 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,066 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,066 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,067 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,067 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,219 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,220 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,220 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,220 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,221 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,221 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,224 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,225 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,225 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,225 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,226 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,226 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,226 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,226 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,227 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,231 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,231 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,232 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,233 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,234 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,237 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,276 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,276 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,276 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,277 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,278 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,279 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,280 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,280 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,280 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,280 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,280 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,281 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,281 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,281 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,281 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,281 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,282 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,283 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,283 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,283 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,283 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,283 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,283 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,284 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,285 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,286 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,286 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,286 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,286 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,286 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,286 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,287 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,288 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,288 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,288 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,289 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,290 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,294 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,294 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,295 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,295 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,295 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,295 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,295 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,296 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,296 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,296 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,296 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,297 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,297 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,297 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,297 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,298 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,298 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,298 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,298 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,298 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,299 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,301 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,301 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,301 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,302 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,302 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,302 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,303 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,303 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,304 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,304 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,304 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,304 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,304 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,305 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,305 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,305 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,307 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,307 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,308 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,308 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,308 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,308 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,309 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,310 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,310 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,310 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,310 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,311 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,311 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,311 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,311 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,311 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,441 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,442 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,442 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,442 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,443 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,443 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,443 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,443 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,444 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,444 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,444 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,444 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,448 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,448 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,448 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,449 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,449 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,449 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,449 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,450 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,450 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,450 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,450 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,450 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,452 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,453 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,453 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,453 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,453 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,454 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,457 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,457 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,458 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,458 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,458 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,458 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,459 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,459 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,459 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,459 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,460 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,460 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,462 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,462 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,462 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,463 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,463 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,463 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,464 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,464 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,464 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,464 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,465 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,465 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,465 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,465 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,465 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,466 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,466 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,466 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,466 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,467 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,467 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,467 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,467 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,468 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,468 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,468 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,468 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,468 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,469 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,469 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,469 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,469 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,470 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,470 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,470 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,470 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,471 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,471 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,471 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,471 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,472 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,472 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,472 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,472 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,472 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,473 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,473 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,473 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,473 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,474 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,474 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,474 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,474 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,475 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,475 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,477 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,477 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,477 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,477 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,478 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,478 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,478 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,478 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,479 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,480 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,480 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,481 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,481 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,481 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,481 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,482 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,482 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,483 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,484 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,484 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,484 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,485 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,485 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,485 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,485 WARN L278 uchiComplementFKVNwa]: big8 [2020-11-28 03:18:08,540 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 [2020-11-28 03:18:08,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 1 stem states 11 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:08,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-28 03:18:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2020-11-28 03:18:08,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2020-11-28 03:18:08,544 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:08,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2020-11-28 03:18:08,547 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:08,547 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2020-11-28 03:18:08,555 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:08,555 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2020-11-28 03:18:08,770 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2020-11-28 03:18:08,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2020-11-28 03:18:08,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2020-11-28 03:18:08,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2020-11-28 03:18:08,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2020-11-28 03:18:08,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-11-28 03:18:08,812 INFO L691 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2020-11-28 03:18:08,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2020-11-28 03:18:08,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2020-11-28 03:18:08,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2020-11-28 03:18:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2020-11-28 03:18:08,890 INFO L714 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2020-11-28 03:18:08,891 INFO L594 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2020-11-28 03:18:08,891 INFO L427 BuchiCegarLoop]: ======== Iteration 14============ [2020-11-28 03:18:08,891 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2020-11-28 03:18:08,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2020-11-28 03:18:08,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:18:08,900 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:18:08,901 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2020-11-28 03:18:08,901 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2020-11-28 03:18:08,901 INFO L794 eck$LassoCheckResult]: Stem: 33138#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 33155#L15-2 assume !!(main_~c~0 > 0); 33312#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33177#L15-2 assume !!(main_~c~0 > 0); 33174#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2020-11-28 03:18:08,901 INFO L796 eck$LassoCheckResult]: Loop: 33171#L15-2 assume !!(main_~c~0 > 0); 33172#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34732#L15-2 assume !!(main_~c~0 > 0); 34321#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34320#L15-2 assume !!(main_~c~0 > 0); 34319#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34318#L15-2 assume !!(main_~c~0 > 0); 34317#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34316#L15-2 assume !!(main_~c~0 > 0); 34315#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34314#L15-2 assume !!(main_~c~0 > 0); 34313#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34312#L15-2 assume !!(main_~c~0 > 0); 34311#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34033#L15-2 assume !!(main_~c~0 > 0); 34310#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34309#L15-2 assume !!(main_~c~0 > 0); 34308#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33681#L15-2 assume !!(main_~c~0 > 0); 34307#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34305#L15-2 assume !!(main_~c~0 > 0); 33179#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33181#L15-2 assume !!(main_~c~0 > 0); 33180#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 33178#L15-2 assume !!(main_~c~0 > 0); 33176#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2020-11-28 03:18:08,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:08,902 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2020-11-28 03:18:08,902 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:08,902 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943915048] [2020-11-28 03:18:08,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:08,906 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:08,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:08,908 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:08,910 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:08,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:08,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2020-11-28 03:18:08,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:08,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569821324] [2020-11-28 03:18:08,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:08,919 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:08,928 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:08,931 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:08,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:08,931 INFO L82 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2020-11-28 03:18:08,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:18:08,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362330835] [2020-11-28 03:18:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:18:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:08,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:18:08,950 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:18:08,953 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:18:09,355 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 91 [2020-11-28 03:18:09,370 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:09,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:09,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:09,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:09,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-11-28 03:18:09,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:09,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:09,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:09,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2020-11-28 03:18:09,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:09,371 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:09,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,445 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:09,446 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:09,448 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-11-28 03:18:09,448 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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 [2020-11-28 03:18:09,479 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-11-28 03:18:09,479 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-11-28 03:18:09,510 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-11-28 03:18:09,512 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:18:09,512 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:18:09,512 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:18:09,512 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:18:09,512 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:18:09,512 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:09,512 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:18:09,512 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:18:09,512 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2020-11-28 03:18:09,512 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:18:09,513 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:18:09,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:18:09,651 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:18:09,651 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:09,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:09,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:09,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:09,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:09,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:09,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:18:09,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:09,670 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:09,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:18:09,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:18:09,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:18:09,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:18:09,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:18:09,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:18:09,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:18:09,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:09,724 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:18:09,727 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-11-28 03:18:09,727 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_ca0628f3-e07b-425a-80bd-483f379cd589/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) [2020-11-28 03:18:09,730 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-11-28 03:18:09,731 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-11-28 03:18:09,731 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:18:09,731 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:18:09,772 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-11-28 03:18:09,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:09,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:09,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:09,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:09,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-28 03:18:09,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 03:18:09,923 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 [2020-11-28 03:18:09,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2020-11-28 03:18:09,940 INFO L75 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. [2020-11-28 03:18:09,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:09,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:18:09,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:09,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2020-11-28 03:18:09,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:09,942 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:09,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:09,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:09,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:10,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-28 03:18:10,003 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:10,096 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 03:18:10,101 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 [2020-11-28 03:18:10,102 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2020-11-28 03:18:10,128 INFO L75 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. [2020-11-28 03:18:10,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:10,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:18:10,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2020-11-28 03:18:10,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2020-11-28 03:18:10,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:10,130 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:10,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:10,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:10,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:10,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-28 03:18:10,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:10,279 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 03:18:10,279 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 [2020-11-28 03:18:10,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2020-11-28 03:18:10,328 INFO L75 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. [2020-11-28 03:18:10,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:10,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:18:10,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2020-11-28 03:18:10,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2020-11-28 03:18:10,329 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:10,329 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2020-11-28 03:18:10,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:18:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:10,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:18:10,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:18:10,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-28 03:18:10,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:18:10,476 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 03:18:10,476 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 [2020-11-28 03:18:10,477 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand 8 states. [2020-11-28 03:18:10,565 INFO L75 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. [2020-11-28 03:18:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2020-11-28 03:18:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:18:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2020-11-28 03:18:10,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2020-11-28 03:18:10,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:10,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2020-11-28 03:18:10,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:10,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2020-11-28 03:18:10,575 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:18:10,575 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2020-11-28 03:18:10,678 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:18:10,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2020-11-28 03:18:10,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:18:10,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:18:10,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:18:10,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:18:10,681 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:10,681 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:10,681 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:18:10,681 INFO L427 BuchiCegarLoop]: ======== Iteration 15============ [2020-11-28 03:18:10,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:18:10,682 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:18:10,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:18:10,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:18:10 BoogieIcfgContainer [2020-11-28 03:18:10,689 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:18:10,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:18:10,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:18:10,693 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:18:10,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:49" (3/4) ... [2020-11-28 03:18:10,699 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:18:10,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:18:10,700 INFO L168 Benchmark]: Toolchain (without parser) took 21910.65 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 61.2 MB in the beginning and 173.7 MB in the end (delta: -112.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:10,700 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:10,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.88 ms. Allocated memory is still 92.3 MB. Free memory was 61.2 MB in the beginning and 70.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:10,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.24 ms. Allocated memory is still 92.3 MB. Free memory was 70.5 MB in the beginning and 69.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:10,702 INFO L168 Benchmark]: Boogie Preprocessor took 26.87 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 68.5 MB in the end (delta: 809.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:10,702 INFO L168 Benchmark]: RCFGBuilder took 325.74 ms. Allocated memory is still 92.3 MB. Free memory was 68.5 MB in the beginning and 60.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:10,703 INFO L168 Benchmark]: BuchiAutomizer took 21186.83 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 60.2 MB in the beginning and 173.9 MB in the end (delta: -113.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:18:10,703 INFO L168 Benchmark]: Witness Printer took 6.82 ms. Allocated memory is still 234.9 MB. Free memory is still 173.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:18:10,708 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 92.3 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 40.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.88 ms. Allocated memory is still 92.3 MB. Free memory was 61.2 MB in the beginning and 70.5 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.24 ms. Allocated memory is still 92.3 MB. Free memory was 70.5 MB in the beginning and 69.3 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.87 ms. Allocated memory is still 92.3 MB. Free memory was 69.3 MB in the beginning and 68.5 MB in the end (delta: 809.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 325.74 ms. Allocated memory is still 92.3 MB. Free memory was 68.5 MB in the beginning and 60.6 MB in the end (delta: 7.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 21186.83 ms. Allocated memory was 92.3 MB in the beginning and 234.9 MB in the end (delta: 142.6 MB). Free memory was 60.2 MB in the beginning and 173.9 MB in the end (delta: -113.7 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.82 ms. Allocated memory is still 234.9 MB. Free memory is still 173.7 MB. There was no memory consumed. Max. memory is 16.1 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 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.0s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 10.4s. Construction of modules took 0.9s. Büchi inclusion checks took 8.7s. Highest rank in rank-based complementation 7. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 0.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.5s 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: 213 SDtfs, 253 SDslu, 127 SDs, 0 SdLazy, 376 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT10 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf92 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf94 smp98 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...