./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be --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 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:25:01,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:25:01,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:25:01,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:25:01,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:25:01,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:25:01,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:25:01,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:25:01,299 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:25:01,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:25:01,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:25:01,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:25:01,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:25:01,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:25:01,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:25:01,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:25:01,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:25:01,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:25:01,339 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:25:01,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:25:01,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:25:01,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:25:01,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:25:01,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:25:01,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:25:01,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:25:01,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:25:01,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:25:01,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:25:01,378 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:25:01,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:25:01,380 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:25:01,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:25:01,384 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:25:01,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:25:01,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:25:01,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:25:01,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:25:01,389 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:25:01,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:25:01,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:25:01,392 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 20:25:01,460 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:25:01,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:25:01,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:25:01,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:25:01,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:25:01,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:25:01,465 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:25:01,465 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:25:01,466 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:25:01,466 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:25:01,467 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:25:01,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:25:01,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:25:01,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:25:01,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:25:01,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:25:01,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:25:01,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:25:01,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:25:01,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:25:01,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:25:01,471 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:25:01,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:25:01,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:25:01,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:25:01,472 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:25:01,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:25:01,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:25:01,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:25:01,476 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:25:01,476 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_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a5d554c80523420ffafe318e54a94b7662019572fad78d6e8fce2ccc83674b0 [2021-10-21 20:25:01,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:25:01,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:25:01,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:25:01,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:25:01,897 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:25:01,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2021-10-21 20:25:02,001 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/data/7382d529e/97c3432228f64297bea60604575049f1/FLAG7d288d8d0 [2021-10-21 20:25:02,581 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:25:02,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2021-10-21 20:25:02,589 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/data/7382d529e/97c3432228f64297bea60604575049f1/FLAG7d288d8d0 [2021-10-21 20:25:02,981 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/data/7382d529e/97c3432228f64297bea60604575049f1 [2021-10-21 20:25:02,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:25:02,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:25:03,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:25:03,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:25:03,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:25:03,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:25:02" (1/1) ... [2021-10-21 20:25:03,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5101048e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03, skipping insertion in model container [2021-10-21 20:25:03,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:25:02" (1/1) ... [2021-10-21 20:25:03,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:25:03,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:25:03,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:25:03,310 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:25:03,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:25:03,355 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:25:03,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03 WrapperNode [2021-10-21 20:25:03,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:25:03,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:25:03,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:25:03,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:25:03,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:25:03,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:25:03,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:25:03,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:25:03,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:25:03,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:25:03,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:25:03,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:25:03,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (1/1) ... [2021-10-21 20:25:03,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:03,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:03,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:03,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:25:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:25:03,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:25:03,730 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:25:03,730 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 20:25:03,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:25:03 BoogieIcfgContainer [2021-10-21 20:25:03,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:25:03,737 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:25:03,737 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:25:03,741 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:25:03,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:25:03,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:25:02" (1/3) ... [2021-10-21 20:25:03,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e88e544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:25:03, skipping insertion in model container [2021-10-21 20:25:03,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:25:03,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:25:03" (2/3) ... [2021-10-21 20:25:03,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e88e544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:25:03, skipping insertion in model container [2021-10-21 20:25:03,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:25:03,747 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:25:03" (3/3) ... [2021-10-21 20:25:03,748 INFO L389 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2021-10-21 20:25:03,818 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:25:03,819 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:25:03,819 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:25:03,819 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:25:03,820 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:25:03,820 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:25:03,820 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:25:03,820 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:25:03,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:03,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:25:03,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:03,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:03,873 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:25:03,874 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:25:03,874 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:25:03,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:03,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:25:03,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:03,877 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:03,877 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:25:03,878 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:25:03,886 INFO L791 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; 7#L15-2true [2021-10-21 20:25:03,886 INFO L793 eck$LassoCheckResult]: Loop: 7#L15-2true assume !!(main_~c~0 > 0); 5#L15true assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 7#L15-2true [2021-10-21 20:25:03,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:03,894 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 20:25:03,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:03,909 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407687087] [2021-10-21 20:25:03,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:03,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,016 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:04,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:04,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-21 20:25:04,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:04,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248455010] [2021-10-21 20:25:04,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:04,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,085 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:04,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:04,112 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-21 20:25:04,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:04,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79183387] [2021-10-21 20:25:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:04,115 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,133 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:04,155 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:04,328 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:04,329 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:04,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:04,329 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:04,330 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:04,330 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,330 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:04,330 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:04,331 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2021-10-21 20:25:04,331 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:04,331 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:04,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,517 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:04,518 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:04,521 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,529 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:04,529 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:04,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:25:04,561 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:04,561 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: [] [2021-10-21 20:25:04,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,603 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:25:04,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:04,609 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:04,633 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:04,633 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: [] [2021-10-21 20:25:04,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:04,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:04,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:25:04,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,748 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:25:04,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:04,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:04,821 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:04,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:04,829 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:04,829 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:04,829 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:04,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:04,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:04,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,830 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:04,830 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:04,830 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2021-10-21 20:25:04,830 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:04,830 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:04,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:04,924 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:04,930 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:04,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:04,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:04,945 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:04,954 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:04,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:25:04,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:04,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:04,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:04,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:04,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:04,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:04,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:05,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:25:05,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:05,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:05,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:05,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:05,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:05,045 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:05,045 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:05,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:05,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:25:05,118 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:05,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:05,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:05,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:05,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:05,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:05,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:05,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:05,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:05,143 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:05,143 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:05,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,147 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:25:05,185 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:05,185 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:05,186 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:05,186 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:05,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,217 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:05,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:05,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:05,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:05,289 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:05,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:05,318 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 [2021-10-21 20:25:05,320 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:05,358 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 23 states and 30 transitions. Complement of second has 6 states. [2021-10-21 20:25:05,358 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 [2021-10-21 20:25:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-21 20:25:05,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-21 20:25:05,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:05,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-21 20:25:05,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:05,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-21 20:25:05,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:05,365 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-21 20:25:05,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:25:05,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-21 20:25:05,374 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-21 20:25:05,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-21 20:25:05,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-21 20:25:05,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:05,375 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 20:25:05,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-21 20:25:05,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-21 20:25:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:05,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-21 20:25:05,406 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 20:25:05,406 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 20:25:05,406 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:25:05,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-21 20:25:05,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:25:05,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:05,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:05,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 20:25:05,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:25:05,408 INFO L791 eck$LassoCheckResult]: Stem: 63#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; 64#L15-2 assume !!(main_~c~0 > 0); 65#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 66#L15-2 [2021-10-21 20:25:05,408 INFO L793 eck$LassoCheckResult]: Loop: 66#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; 66#L15-2 [2021-10-21 20:25:05,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:05,409 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-21 20:25:05,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:05,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086239173] [2021-10-21 20:25:05,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:05,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:05,417 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:05,423 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:05,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2021-10-21 20:25:05,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:05,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421916464] [2021-10-21 20:25:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:05,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:05,431 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:05,436 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:05,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:05,437 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2021-10-21 20:25:05,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:05,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078926863] [2021-10-21 20:25:05,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:05,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:05,447 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:05,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:05,496 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:05,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:05,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:05,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:05,497 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:05,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:05,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:05,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2021-10-21 20:25:05,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:05,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:05,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,577 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:05,578 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:05,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,579 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:25:05,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:05,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:05,661 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:05,662 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: [] [2021-10-21 20:25:05,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,707 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:05,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:05,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:25:05,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,803 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,804 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,810 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:05,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:05,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:25:05,894 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:05,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:05,897 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:05,897 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:05,897 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:05,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:05,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:05,898 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:05,898 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:05,898 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2021-10-21 20:25:05,898 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:05,898 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:05,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:05,986 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:05,986 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:05,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:05,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:05,988 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:05,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:25:05,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:06,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:06,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:06,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:06,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:06,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:06,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:06,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:06,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:06,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,057 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:25:06,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:06,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:06,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:06,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:06,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:06,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:06,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:06,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:06,088 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:06,097 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:06,098 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:06,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,101 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:25:06,104 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:06,105 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:06,105 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:06,105 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-21 20:25:06,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:06,146 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:06,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:06,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:06,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:06,187 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:06,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:06,233 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 [2021-10-21 20:25:06,233 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:06,252 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 16 transitions. Complement of second has 5 states. [2021-10-21 20:25:06,252 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 [2021-10-21 20:25:06,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:06,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-21 20:25:06,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-21 20:25:06,254 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:06,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:25:06,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:06,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-21 20:25:06,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:06,259 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2021-10-21 20:25:06,261 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:25:06,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2021-10-21 20:25:06,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-21 20:25:06,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-21 20:25:06,265 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-10-21 20:25:06,266 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:06,266 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-21 20:25:06,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-10-21 20:25:06,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-21 20:25:06,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-10-21 20:25:06,278 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-21 20:25:06,279 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-21 20:25:06,279 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:25:06,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2021-10-21 20:25:06,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 20:25:06,281 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:06,281 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:06,281 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:06,282 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:25:06,282 INFO L791 eck$LassoCheckResult]: Stem: 117#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; 118#L15-2 assume !!(main_~c~0 > 0); 119#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 120#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 [2021-10-21 20:25:06,282 INFO L793 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 [2021-10-21 20:25:06,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:06,283 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2021-10-21 20:25:06,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:06,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314754410] [2021-10-21 20:25:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:06,284 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:06,296 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:06,315 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:06,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:06,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2021-10-21 20:25:06,317 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:06,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063708759] [2021-10-21 20:25:06,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:06,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:06,335 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:06,342 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:06,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:06,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2021-10-21 20:25:06,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:06,346 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515596003] [2021-10-21 20:25:06,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:06,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:06,360 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:06,370 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:06,400 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:06,400 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:06,400 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:06,400 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:06,401 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:06,401 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,401 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:06,401 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:06,401 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2021-10-21 20:25:06,401 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:06,401 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:06,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,494 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:06,494 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:06,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,495 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:25:06,508 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:06,508 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:06,526 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:06,526 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: [] [2021-10-21 20:25:06,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:06,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,550 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:25:06,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:06,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:06,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:06,605 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,606 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:25:06,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:06,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:06,644 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:06,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-21 20:25:06,650 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:06,651 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:06,651 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:06,651 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:06,651 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:06,651 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,651 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:06,651 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:06,651 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2021-10-21 20:25:06,651 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:06,651 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:06,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:06,735 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:06,735 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:06,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,737 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:06,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:06,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:06,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:06,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:06,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:06,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:06,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:06,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:25:06,768 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:06,775 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:06,775 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:06,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:06,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:06,782 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:06,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:25:06,787 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:06,788 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:06,788 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:06,788 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-21 20:25:06,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:06,826 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:06,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:06,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:06,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:06,871 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:06,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:06,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:06,899 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 [2021-10-21 20:25:06,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:06,914 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 20 transitions. Complement of second has 5 states. [2021-10-21 20:25:06,916 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 [2021-10-21 20:25:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-21 20:25:06,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:25:06,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:06,917 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:06,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:06,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:06,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:06,974 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:06,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:06,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:06,995 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 [2021-10-21 20:25:06,995 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:07,012 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 20 transitions. Complement of second has 5 states. [2021-10-21 20:25:07,013 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 [2021-10-21 20:25:07,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-21 20:25:07,014 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:25:07,014 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:07,014 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:07,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:07,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:07,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:07,060 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:07,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:07,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:07,087 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 [2021-10-21 20:25:07,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:07,104 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 16 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 23 transitions. Complement of second has 4 states. [2021-10-21 20:25:07,105 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 [2021-10-21 20:25:07,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:07,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-21 20:25:07,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-21 20:25:07,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:07,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-21 20:25:07,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:07,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-21 20:25:07,109 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:07,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2021-10-21 20:25:07,113 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:25:07,114 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2021-10-21 20:25:07,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-21 20:25:07,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-21 20:25:07,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2021-10-21 20:25:07,115 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:07,115 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-10-21 20:25:07,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2021-10-21 20:25:07,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2021-10-21 20:25:07,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2021-10-21 20:25:07,118 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-21 20:25:07,118 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-21 20:25:07,118 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:25:07,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2021-10-21 20:25:07,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:25:07,120 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:07,120 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:07,121 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 20:25:07,121 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:25:07,121 INFO L791 eck$LassoCheckResult]: Stem: 264#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 [2021-10-21 20:25:07,121 INFO L793 eck$LassoCheckResult]: Loop: 265#L15-2 assume !!(main_~c~0 > 0); 266#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 265#L15-2 [2021-10-21 20:25:07,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:07,122 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-21 20:25:07,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:07,122 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112428181] [2021-10-21 20:25:07,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:07,122 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:07,135 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:07,143 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:07,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:07,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-10-21 20:25:07,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:07,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923373898] [2021-10-21 20:25:07,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:07,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:07,162 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:07,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:07,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:07,167 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2021-10-21 20:25:07,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:07,167 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386400857] [2021-10-21 20:25:07,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:07,167 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:07,172 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:07,185 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:07,233 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:07,233 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:07,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:07,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:07,233 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:07,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,233 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:07,233 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:07,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2021-10-21 20:25:07,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:07,234 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:07,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,319 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:07,319 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:07,319 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,321 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,327 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:07,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:07,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:25:07,350 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:07,350 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: [] [2021-10-21 20:25:07,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,401 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,408 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:07,408 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:07,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:25:07,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,489 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,494 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:07,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:07,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:25:07,530 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:07,530 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=1} Honda state: {ULTIMATE.start_main_~c~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=0}, {ULTIMATE.start_main_~c~0=1}, {ULTIMATE.start_main_~c~0=0}] Lambdas: [0, 1, 0] Nus: [0, 0] [2021-10-21 20:25:07,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,576 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,580 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:07,580 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:07,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:25:07,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,656 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:07,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:07,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:25:07,734 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:07,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,739 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:07,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:07,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:07,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:07,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:07,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,740 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:07,740 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:07,740 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2021-10-21 20:25:07,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:07,740 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:07,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:07,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:07,812 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:07,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,813 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:07,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:07,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:07,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:07,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:07,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:07,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:07,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:07,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:25:07,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:07,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-21 20:25:07,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,877 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:25:07,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:07,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:07,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:07,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:07,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:07,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:07,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:07,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:07,916 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:07,920 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:07,920 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:25:07,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:07,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:07,923 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:07,931 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:07,931 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:07,931 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:07,931 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2021-10-21 20:25:07,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:25:07,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:07,972 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:07,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:07,995 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:07,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:08,002 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:08,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:08,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:08,011 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 [2021-10-21 20:25:08,012 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:08,028 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 7 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 17 transitions. Complement of second has 5 states. [2021-10-21 20:25:08,029 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 [2021-10-21 20:25:08,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:08,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-10-21 20:25:08,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-21 20:25:08,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:08,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-21 20:25:08,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:08,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-21 20:25:08,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:08,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2021-10-21 20:25:08,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:25:08,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2021-10-21 20:25:08,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-21 20:25:08,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-21 20:25:08,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2021-10-21 20:25:08,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:08,037 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2021-10-21 20:25:08,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2021-10-21 20:25:08,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-10-21 20:25:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2021-10-21 20:25:08,040 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2021-10-21 20:25:08,040 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2021-10-21 20:25:08,040 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:25:08,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2021-10-21 20:25:08,041 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:25:08,041 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:08,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:08,043 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2021-10-21 20:25:08,043 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:25:08,044 INFO L791 eck$LassoCheckResult]: Stem: 309#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; 310#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); 311#L15 [2021-10-21 20:25:08,044 INFO L793 eck$LassoCheckResult]: Loop: 311#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 312#L15-2 assume !!(main_~c~0 > 0); 311#L15 [2021-10-21 20:25:08,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:08,045 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2021-10-21 20:25:08,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:08,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283097298] [2021-10-21 20:25:08,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:08,046 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:08,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:08,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:08,173 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:08,173 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283097298] [2021-10-21 20:25:08,174 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283097298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:25:08,174 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:25:08,174 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 20:25:08,175 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576425684] [2021-10-21 20:25:08,177 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:25:08,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:08,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2021-10-21 20:25:08,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:08,179 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100115519] [2021-10-21 20:25:08,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:08,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:08,184 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:08,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:08,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,260 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:08,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:08,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:08,260 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:08,260 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:08,260 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,260 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:08,260 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:08,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2021-10-21 20:25:08,261 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:08,261 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:08,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:08,358 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:08,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,360 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:08,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:08,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:25:08,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-21 20:25:08,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,419 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:25:08,423 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:08,423 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:08,463 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:08,463 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=1}, {ULTIMATE.start_main_~c~0=0}] Lambdas: [15, 1, 14] Nus: [0, 1] [2021-10-21 20:25:08,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,508 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:08,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:08,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:25:08,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 20:25:08,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,560 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:25:08,565 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:08,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:08,629 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:08,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,632 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:08,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:08,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:08,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:08,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:08,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:08,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:08,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2021-10-21 20:25:08,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:08,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:08,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:08,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:08,696 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:08,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,697 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:08,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:08,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:25:08,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,784 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 20:25:08,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:08,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:08,795 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:08,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:08,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:08,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,835 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:08,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:08,846 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:08,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:08,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:08,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:08,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:08,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:08,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 20:25:08,855 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:08,858 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:08,858 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:25:08,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:08,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:08,859 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:08,861 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:08,861 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:08,861 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:08,861 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2021-10-21 20:25:08,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:25:08,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-21 20:25:08,891 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:08,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:08,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:08,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:08,925 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:08,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:08,990 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 [2021-10-21 20:25:08,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,010 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 17 transitions. Complement of second has 5 states. [2021-10-21 20:25:09,010 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 [2021-10-21 20:25:09,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-21 20:25:09,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:25:09,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:09,012 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:09,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,029 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,044 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:09,081 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 [2021-10-21 20:25:09,081 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 14 transitions. Complement of second has 5 states. [2021-10-21 20:25:09,107 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 [2021-10-21 20:25:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:09,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:25:09,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:09,108 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:09,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,141 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:09,183 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 [2021-10-21 20:25:09,183 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,193 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states and 12 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 20 transitions. Complement of second has 4 states. [2021-10-21 20:25:09,193 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 [2021-10-21 20:25:09,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-21 20:25:09,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 20:25:09,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:09,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-21 20:25:09,195 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:09,195 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-21 20:25:09,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:09,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-10-21 20:25:09,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-21 20:25:09,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2021-10-21 20:25:09,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-21 20:25:09,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-21 20:25:09,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-10-21 20:25:09,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:09,203 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-21 20:25:09,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-10-21 20:25:09,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2021-10-21 20:25:09,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-21 20:25:09,205 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-21 20:25:09,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:09,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:25:09,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:25:09,210 INFO L87 Difference]: Start difference. First operand 7 states and 10 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:09,230 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2021-10-21 20:25:09,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:25:09,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2021-10-21 20:25:09,233 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 20:25:09,234 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2021-10-21 20:25:09,234 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-21 20:25:09,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-21 20:25:09,234 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-10-21 20:25:09,234 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:09,234 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-21 20:25:09,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-10-21 20:25:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-21 20:25:09,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-10-21 20:25:09,237 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-10-21 20:25:09,237 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-10-21 20:25:09,237 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:25:09,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2021-10-21 20:25:09,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 20:25:09,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:09,240 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:09,241 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2021-10-21 20:25:09,241 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-10-21 20:25:09,241 INFO L791 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 460#L15-2 assume !!(main_~c~0 > 0); 463#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 462#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 461#L15 [2021-10-21 20:25:09,241 INFO L793 eck$LassoCheckResult]: Loop: 461#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 462#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); 461#L15 [2021-10-21 20:25:09,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,242 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2021-10-21 20:25:09,242 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:09,242 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585833188] [2021-10-21 20:25:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:09,242 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:09,260 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:09,276 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:09,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2021-10-21 20:25:09,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:09,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517992846] [2021-10-21 20:25:09,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:09,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:09,282 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:09,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:09,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2021-10-21 20:25:09,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:09,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367005106] [2021-10-21 20:25:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:09,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:09,314 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:09,323 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:09,384 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:09,385 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:09,385 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:09,385 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:09,385 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:09,385 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:09,385 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:09,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:09,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2021-10-21 20:25:09,386 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:09,386 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:09,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,461 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:09,462 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:09,462 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:09,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:09,463 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:09,465 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:09,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:09,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:25:09,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:09,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:09,541 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:09,544 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:09,545 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:09,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:25:09,569 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:09,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-21 20:25:09,600 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:09,600 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:09,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:09,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:09,600 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:09,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:09,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:09,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:09,601 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2021-10-21 20:25:09,601 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:09,601 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:09,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:09,677 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:09,677 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:09,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:09,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:09,679 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:09,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:25:09,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:09,694 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:09,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:09,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:09,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:09,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:09,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:09,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:09,720 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:09,724 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:09,724 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:25:09,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:09,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:09,729 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:09,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:09,734 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:09,734 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:09,734 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2021-10-21 20:25:09,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:25:09,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:09,783 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:09,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:09,916 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 [2021-10-21 20:25:09,916 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 16 transitions. Complement of second has 5 states. [2021-10-21 20:25:09,926 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 [2021-10-21 20:25:09,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:09,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-21 20:25:09,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 20:25:09,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:09,927 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:09,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:09,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:25:09,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:10,093 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 [2021-10-21 20:25:10,094 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,112 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 14 transitions. Complement of second has 5 states. [2021-10-21 20:25:10,112 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 [2021-10-21 20:25:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:10,113 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 20:25:10,113 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:10,113 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:10,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:10,251 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 [2021-10-21 20:25:10,251 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 4 states. [2021-10-21 20:25:10,260 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 [2021-10-21 20:25:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-21 20:25:10,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 20:25:10,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:10,261 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:10,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:10,363 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 [2021-10-21 20:25:10,364 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,389 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 3. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 13 states and 18 transitions. Complement of second has 4 states. [2021-10-21 20:25:10,390 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 [2021-10-21 20:25:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-21 20:25:10,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 20:25:10,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:10,392 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:10,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:10,523 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 [2021-10-21 20:25:10,524 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,624 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 7 states and 9 transitions. cyclomatic complexity: 3 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 72 states and 96 transitions. Complement of second has 37 states 8 powerset states29 rank states. The highest rank that occured is 5 [2021-10-21 20:25:10,625 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 [2021-10-21 20:25:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-10-21 20:25:10,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-21 20:25:10,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:10,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-21 20:25:10,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:10,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-21 20:25:10,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:10,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2021-10-21 20:25:10,640 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-21 20:25:10,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2021-10-21 20:25:10,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-21 20:25:10,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2021-10-21 20:25:10,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2021-10-21 20:25:10,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:10,643 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-10-21 20:25:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2021-10-21 20:25:10,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2021-10-21 20:25:10,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:10,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2021-10-21 20:25:10,650 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2021-10-21 20:25:10,650 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2021-10-21 20:25:10,650 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:25:10,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2021-10-21 20:25:10,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:25:10,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:10,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:10,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2021-10-21 20:25:10,655 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2021-10-21 20:25:10,655 INFO L791 eck$LassoCheckResult]: Stem: 823#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 825#L15-2 assume !!(main_~c~0 > 0); 828#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 827#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 826#L15 [2021-10-21 20:25:10,656 INFO L793 eck$LassoCheckResult]: Loop: 826#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 827#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); 826#L15 [2021-10-21 20:25:10,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:10,656 INFO L82 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2021-10-21 20:25:10,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:10,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563185111] [2021-10-21 20:25:10,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:10,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:10,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:25:10,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:10,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563185111] [2021-10-21 20:25:10,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563185111] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:10,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971077929] [2021-10-21 20:25:10,711 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-21 20:25:10,711 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:25:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:10,712 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:25:10,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-10-21 20:25:10,778 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-21 20:25:10,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:25:10,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:25:10,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:25:10,805 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1971077929] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:10,805 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:25:10,805 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-21 20:25:10,805 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131887684] [2021-10-21 20:25:10,806 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:25:10,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:10,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2021-10-21 20:25:10,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:10,806 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418459887] [2021-10-21 20:25:10,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:10,807 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:10,812 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:10,816 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:10,878 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:10,878 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:10,878 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:10,878 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:10,879 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:10,879 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:10,879 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:10,879 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:10,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2021-10-21 20:25:10,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:10,879 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:10,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:10,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:10,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:10,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:10,948 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:10,948 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:10,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:10,949 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:10,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:10,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:25:10,973 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:10,973 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: [] [2021-10-21 20:25:11,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:11,013 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:11,017 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:11,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:11,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:11,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:25:11,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:11,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:11,089 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:11,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:11,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:11,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:25:11,193 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:11,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:11,196 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:11,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:11,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:11,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:11,196 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:11,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:11,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:11,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2021-10-21 20:25:11,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:11,197 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:11,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,284 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:11,284 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:11,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:11,285 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:11,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:11,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:11,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:11,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:11,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:11,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:11,305 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:11,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:25:11,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:11,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:11,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:11,361 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:11,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:25:11,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:11,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:11,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:11,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:11,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:11,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:11,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:11,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:11,396 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:11,402 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:11,402 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:11,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:11,403 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:11,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:11,410 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:11,410 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:11,411 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:11,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:25:11,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-21 20:25:11,445 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:11,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:11,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:11,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:11,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:25:11,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:11,561 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 [2021-10-21 20:25:11,561 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:11,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 65 states and 87 transitions. Complement of second has 9 states. [2021-10-21 20:25:11,592 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 [2021-10-21 20:25:11,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-10-21 20:25:11,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-21 20:25:11,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:11,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-21 20:25:11,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:11,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2021-10-21 20:25:11,594 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:11,595 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2021-10-21 20:25:11,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:25:11,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2021-10-21 20:25:11,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-21 20:25:11,598 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-21 20:25:11,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2021-10-21 20:25:11,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:11,599 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-21 20:25:11,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2021-10-21 20:25:11,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2021-10-21 20:25:11,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.434782608695652) internal successors, (66), 45 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:11,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2021-10-21 20:25:11,605 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2021-10-21 20:25:11,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:11,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:25:11,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:25:11,607 INFO L87 Difference]: Start difference. First operand 46 states and 66 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:11,623 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2021-10-21 20:25:11,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:25:11,624 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2021-10-21 20:25:11,625 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:25:11,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2021-10-21 20:25:11,626 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-21 20:25:11,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2021-10-21 20:25:11,627 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2021-10-21 20:25:11,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:11,627 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-21 20:25:11,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2021-10-21 20:25:11,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-10-21 20:25:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:11,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2021-10-21 20:25:11,630 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-10-21 20:25:11,630 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-10-21 20:25:11,631 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:25:11,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2021-10-21 20:25:11,631 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-21 20:25:11,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:11,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:11,632 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2021-10-21 20:25:11,632 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2021-10-21 20:25:11,633 INFO L791 eck$LassoCheckResult]: Stem: 1091#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; 1093#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; 1095#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); 1094#L15 [2021-10-21 20:25:11,633 INFO L793 eck$LassoCheckResult]: Loop: 1094#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1095#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); 1094#L15 [2021-10-21 20:25:11,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:11,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2021-10-21 20:25:11,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:11,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479457928] [2021-10-21 20:25:11,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:11,634 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:11,642 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:11,649 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:11,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:11,650 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2021-10-21 20:25:11,650 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:11,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864949086] [2021-10-21 20:25:11,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:11,651 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:11,657 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:11,661 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:11,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:11,672 INFO L82 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2021-10-21 20:25:11,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:11,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393748393] [2021-10-21 20:25:11,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:11,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:11,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:25:11,764 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:11,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393748393] [2021-10-21 20:25:11,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393748393] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:11,764 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558917644] [2021-10-21 20:25:11,764 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-21 20:25:11,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:25:11,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:11,766 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:25:11,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-21 20:25:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:11,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:25:11,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:11,916 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:25:11,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558917644] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:25:11,916 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:25:11,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-21 20:25:11,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741903798] [2021-10-21 20:25:11,982 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:11,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:11,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:11,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:11,982 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:11,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:11,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:11,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:11,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2021-10-21 20:25:11,983 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:11,983 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:11,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:11,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,056 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:12,056 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:12,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,058 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:12,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:12,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:25:12,101 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:12,101 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: [] [2021-10-21 20:25:12,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,141 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,144 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:12,144 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:12,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:25:12,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,206 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:12,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:12,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:25:12,332 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:12,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,336 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:12,336 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:12,336 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:12,336 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:12,336 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:12,337 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,337 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:12,337 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:12,337 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2021-10-21 20:25:12,337 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:12,337 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:12,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:12,425 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:12,426 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:12,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,429 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:12,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:12,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:12,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:25:12,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:12,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,509 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:12,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:12,523 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:12,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:12,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:12,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:12,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:12,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:12,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:25:12,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:12,554 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:12,555 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:12,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:12,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:12,556 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:12,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:25:12,565 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:12,565 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:12,565 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:12,565 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:12,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:12,606 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:12,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:12,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:12,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:12,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:25:12,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:12,751 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 [2021-10-21 20:25:12,751 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:12,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 56 transitions. Complement of second has 7 states. [2021-10-21 20:25:12,773 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 [2021-10-21 20:25:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:12,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-21 20:25:12,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-21 20:25:12,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:12,775 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:12,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:12,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:12,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:12,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:25:12,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:12,863 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:12,865 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 [2021-10-21 20:25:12,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:12,883 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 56 transitions. Complement of second has 7 states. [2021-10-21 20:25:12,884 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 [2021-10-21 20:25:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-21 20:25:12,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-21 20:25:12,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:12,885 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:12,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:12,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:12,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:12,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 20:25:12,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:12,967 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 [2021-10-21 20:25:12,967 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,005 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 30 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 75 states and 99 transitions. Complement of second has 13 states. [2021-10-21 20:25:13,006 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 [2021-10-21 20:25:13,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-10-21 20:25:13,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-21 20:25:13,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:13,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-21 20:25:13,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:13,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2021-10-21 20:25:13,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:13,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2021-10-21 20:25:13,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2021-10-21 20:25:13,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2021-10-21 20:25:13,010 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-21 20:25:13,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-21 20:25:13,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2021-10-21 20:25:13,010 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:13,010 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-10-21 20:25:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2021-10-21 20:25:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2021-10-21 20:25:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.45) internal successors, (58), 39 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2021-10-21 20:25:13,015 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2021-10-21 20:25:13,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:13,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:25:13,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:25:13,016 INFO L87 Difference]: Start difference. First operand 40 states and 58 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:13,044 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2021-10-21 20:25:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 20:25:13,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 85 transitions. [2021-10-21 20:25:13,046 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-10-21 20:25:13,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 51 states and 67 transitions. [2021-10-21 20:25:13,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-21 20:25:13,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 20:25:13,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 67 transitions. [2021-10-21 20:25:13,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:13,049 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 67 transitions. [2021-10-21 20:25:13,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 67 transitions. [2021-10-21 20:25:13,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 33. [2021-10-21 20:25:13,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.303030303030303) internal successors, (43), 32 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2021-10-21 20:25:13,058 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-21 20:25:13,059 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-21 20:25:13,059 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:25:13,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2021-10-21 20:25:13,060 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-21 20:25:13,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:13,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:13,060 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:13,061 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2021-10-21 20:25:13,061 INFO L791 eck$LassoCheckResult]: Stem: 1634#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; 1636#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 [2021-10-21 20:25:13,061 INFO L793 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); 1637#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1638#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 [2021-10-21 20:25:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:13,062 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2021-10-21 20:25:13,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:13,062 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944768276] [2021-10-21 20:25:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:13,062 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,077 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,088 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:13,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:13,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2021-10-21 20:25:13,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:13,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102625333] [2021-10-21 20:25:13,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:13,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-21 20:25:13,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:25:13,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102625333] [2021-10-21 20:25:13,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102625333] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:25:13,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:25:13,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:25:13,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068251446] [2021-10-21 20:25:13,136 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 20:25:13,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:25:13,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:25:13,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:25:13,137 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. cyclomatic complexity: 14 Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:25:13,151 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2021-10-21 20:25:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:25:13,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2021-10-21 20:25:13,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-21 20:25:13,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2021-10-21 20:25:13,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-21 20:25:13,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 20:25:13,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2021-10-21 20:25:13,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:13,157 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-10-21 20:25:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2021-10-21 20:25:13,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2021-10-21 20:25:13,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2021-10-21 20:25:13,164 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-21 20:25:13,164 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-21 20:25:13,165 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:25:13,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2021-10-21 20:25:13,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-21 20:25:13,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:13,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:13,166 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:13,166 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2021-10-21 20:25:13,166 INFO L791 eck$LassoCheckResult]: Stem: 1725#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1727#L15-2 assume !!(main_~c~0 > 0); 1745#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1740#L15-2 assume !!(main_~c~0 > 0); 1736#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1732#L15-2 [2021-10-21 20:25:13,167 INFO L793 eck$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); 1728#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1729#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 [2021-10-21 20:25:13,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:13,167 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2021-10-21 20:25:13,167 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:13,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821858329] [2021-10-21 20:25:13,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:13,168 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,174 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:13,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:13,180 INFO L82 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2021-10-21 20:25:13,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:13,181 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835030543] [2021-10-21 20:25:13,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:13,181 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,200 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:13,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:13,212 INFO L82 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2021-10-21 20:25:13,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:13,212 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646157493] [2021-10-21 20:25:13,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:13,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:13,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,234 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:13,249 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:13,360 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:13,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:13,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:13,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:13,361 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:13,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:13,361 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:13,361 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2021-10-21 20:25:13,361 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:13,362 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:13,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:13,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:13,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:13,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:13,430 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:13,430 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:13,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,431 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:13,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:13,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:25:13,459 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:13,459 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: [] [2021-10-21 20:25:13,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:13,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,501 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:13,503 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:13,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:25:13,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:13,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:13,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:13,538 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:13,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:25:13,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:13,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:14,080 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:14,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:14,083 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:14,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:14,083 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:14,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:14,083 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:14,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:14,083 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:14,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:14,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2021-10-21 20:25:14,084 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:14,084 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:14,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:14,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:14,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:14,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:14,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:14,211 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:14,211 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:14,211 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:14,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:14,224 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:14,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:14,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:14,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:14,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:14,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:14,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:14,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:14,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:25:14,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:14,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:14,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:14,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:14,306 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:14,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:14,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:25:14,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:14,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:14,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:14,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:14,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:14,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:14,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:14,324 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:14,327 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:14,327 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:14,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:14,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:14,328 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:14,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:25:14,329 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:14,329 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:14,330 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:14,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:14,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:14,371 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:14,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:14,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:14,542 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 [2021-10-21 20:25:14,543 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:14,548 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 47 transitions. Complement of second has 5 states. [2021-10-21 20:25:14,549 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 [2021-10-21 20:25:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:14,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:14,550 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-21 20:25:14,550 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:14,550 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:14,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:14,727 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 [2021-10-21 20:25:14,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:14,733 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 47 transitions. Complement of second has 5 states. [2021-10-21 20:25:14,733 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 [2021-10-21 20:25:14,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:14,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:14,734 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-21 20:25:14,734 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:14,734 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:14,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,905 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:14,906 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 [2021-10-21 20:25:14,906 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:14,914 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 60 transitions. Complement of second has 4 states. [2021-10-21 20:25:14,915 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 [2021-10-21 20:25:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:14,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-21 20:25:14,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-21 20:25:14,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:14,916 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:14,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:14,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:25:14,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:15,079 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 [2021-10-21 20:25:15,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:15,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 75 transitions. Complement of second has 8 states. [2021-10-21 20:25:15,116 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 [2021-10-21 20:25:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:15,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-21 20:25:15,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-21 20:25:15,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:15,117 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:15,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:15,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:15,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:15,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-21 20:25:15,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:15,289 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:15,290 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 [2021-10-21 20:25:15,290 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:15,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,376 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,377 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,377 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,377 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,378 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,378 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,378 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,379 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:15,387 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 33 states and 41 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 404 states and 547 transitions. Complement of second has 85 states 12 powerset states73 rank states. The highest rank that occured is 7 [2021-10-21 20:25:15,388 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 [2021-10-21 20:25:15,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:15,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2021-10-21 20:25:15,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-21 20:25:15,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:15,390 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2021-10-21 20:25:15,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:15,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2021-10-21 20:25:15,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:15,394 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2021-10-21 20:25:15,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2021-10-21 20:25:15,402 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2021-10-21 20:25:15,402 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-21 20:25:15,402 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-21 20:25:15,403 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2021-10-21 20:25:15,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:15,403 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2021-10-21 20:25:15,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2021-10-21 20:25:15,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2021-10-21 20:25:15,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.34375) internal successors, (129), 95 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:15,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2021-10-21 20:25:15,409 INFO L704 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-10-21 20:25:15,409 INFO L587 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-10-21 20:25:15,409 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:25:15,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2021-10-21 20:25:15,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2021-10-21 20:25:15,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:15,411 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:15,411 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:15,411 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2021-10-21 20:25:15,412 INFO L791 eck$LassoCheckResult]: Stem: 2718#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 2721#L15-2 assume !!(main_~c~0 > 0); 2753#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2742#L15-2 assume !!(main_~c~0 > 0); 2730#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2727#L15-2 [2021-10-21 20:25:15,412 INFO L793 eck$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 [2021-10-21 20:25:15,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:15,412 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2021-10-21 20:25:15,413 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:15,413 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260099980] [2021-10-21 20:25:15,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:15,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:15,418 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:15,421 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:15,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:15,421 INFO L82 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2021-10-21 20:25:15,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:15,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940160028] [2021-10-21 20:25:15,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:15,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:15,428 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:15,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:15,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:15,435 INFO L82 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2021-10-21 20:25:15,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:15,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961298195] [2021-10-21 20:25:15,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:15,436 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:15,443 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:15,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:15,450 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:15,605 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:15,606 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:15,606 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:15,606 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:15,606 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:15,606 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:15,606 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:15,606 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:15,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2021-10-21 20:25:15,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:15,607 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:15,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:15,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:15,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:15,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:15,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:15,672 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:15,672 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:15,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:15,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:15,673 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:15,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:15,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:25:15,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 20:25:15,725 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:15,728 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:15,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:25:15,729 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:15,729 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:16,166 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:16,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-21 20:25:16,169 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:16,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:16,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:16,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:16,169 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:16,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:16,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:16,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:16,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2021-10-21 20:25:16,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:16,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:16,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:16,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:16,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:16,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:16,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:16,242 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:16,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:16,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:16,243 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:16,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:16,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:16,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:16,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:16,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:16,258 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:16,258 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:16,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 20:25:16,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:16,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:16,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:16,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:16,300 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:16,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 20:25:16,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:16,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:16,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:16,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:16,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:16,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:16,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:16,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:16,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-21 20:25:16,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:16,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:16,340 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:16,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:25:16,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:16,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:16,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:16,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:16,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:16,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:16,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:16,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:16,356 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:16,359 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-21 20:25:16,359 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:25:16,360 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:16,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:16,360 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:16,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:16,362 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:16,362 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:16,362 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:16,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:25:16,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-21 20:25:16,392 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:16,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:16,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:16,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:16,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:25:16,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:16,611 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 [2021-10-21 20:25:16,611 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:16,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 145 transitions. Complement of second has 5 states. [2021-10-21 20:25:16,617 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 [2021-10-21 20:25:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:16,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:16,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-21 20:25:16,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:16,618 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:16,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:16,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:16,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:16,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:25:16,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:16,820 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:16,820 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 [2021-10-21 20:25:16,820 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:16,828 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 104 states and 145 transitions. Complement of second has 5 states. [2021-10-21 20:25:16,833 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 [2021-10-21 20:25:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:16,833 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-21 20:25:16,833 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:16,834 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:16,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:16,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:16,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:25:16,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:17,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:17,052 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 [2021-10-21 20:25:17,052 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,060 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 146 states and 191 transitions. Complement of second has 4 states. [2021-10-21 20:25:17,062 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 [2021-10-21 20:25:17,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-21 20:25:17,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-21 20:25:17,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:17,064 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:17,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:17,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:17,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:17,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:25:17,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:17,282 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:17,283 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 [2021-10-21 20:25:17,283 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,324 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 129 transitions. cyclomatic complexity: 42. Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 172 states and 219 transitions. Complement of second has 8 states. [2021-10-21 20:25:17,324 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 [2021-10-21 20:25:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-21 20:25:17,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-21 20:25:17,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:17,325 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:17,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:17,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:17,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:17,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:17,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-21 20:25:17,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:17,544 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 [2021-10-21 20:25:17,544 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,598 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,599 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,599 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,600 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,601 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,602 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,602 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,603 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,604 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,605 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:17,606 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,606 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,648 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,648 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,648 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,649 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,649 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,649 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,650 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,650 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,652 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,652 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,654 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,654 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,654 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,657 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,658 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,659 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,660 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,660 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,660 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,661 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,661 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,709 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,710 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,710 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,710 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,711 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,711 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,711 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,712 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,713 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,715 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,716 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,717 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,717 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,717 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,719 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,723 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,723 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:17,769 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 96 states and 129 transitions. cyclomatic complexity: 42 Second operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1787 states and 2714 transitions. Complement of second has 144 states 16 powerset states128 rank states. The highest rank that occured is 7 [2021-10-21 20:25:17,769 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 [2021-10-21 20:25:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2021-10-21 20:25:17,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-21 20:25:17,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:17,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2021-10-21 20:25:17,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:17,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2021-10-21 20:25:17,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:17,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2021-10-21 20:25:17,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2021-10-21 20:25:17,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2021-10-21 20:25:17,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-21 20:25:17,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-21 20:25:17,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2021-10-21 20:25:17,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:17,809 INFO L681 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2021-10-21 20:25:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2021-10-21 20:25:17,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2021-10-21 20:25:17,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 260 states have (on average 1.4461538461538461) internal successors, (376), 259 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2021-10-21 20:25:17,824 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2021-10-21 20:25:17,825 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2021-10-21 20:25:17,825 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:25:17,825 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2021-10-21 20:25:17,827 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2021-10-21 20:25:17,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:17,827 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:17,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:17,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2021-10-21 20:25:17,828 INFO L791 eck$LassoCheckResult]: Stem: 5631#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 5634#L15-2 assume !!(main_~c~0 > 0); 5680#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5650#L15-2 assume !!(main_~c~0 > 0); 5647#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5644#L15-2 [2021-10-21 20:25:17,829 INFO L793 eck$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; 5815#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 [2021-10-21 20:25:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:17,829 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2021-10-21 20:25:17,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:17,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324198551] [2021-10-21 20:25:17,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:17,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:17,836 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:17,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:17,840 INFO L82 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2021-10-21 20:25:17,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:17,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748824677] [2021-10-21 20:25:17,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:17,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:17,849 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:17,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:17,857 INFO L82 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2021-10-21 20:25:17,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:17,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100238192] [2021-10-21 20:25:17,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:17,858 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:17,867 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:17,875 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:18,082 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:18,082 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:18,082 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:18,082 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:18,082 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:18,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,083 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:18,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:18,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2021-10-21 20:25:18,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:18,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:18,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,137 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:18,137 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:18,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,138 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 20:25:18,142 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:18,142 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:18,156 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:18,157 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: [] [2021-10-21 20:25:18,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 20:25:18,179 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,180 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:25:18,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:18,182 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:18,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 20:25:18,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,214 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:25:18,217 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:18,217 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:18,267 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:18,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 20:25:18,269 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:18,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:18,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:18,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:18,269 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:18,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:18,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:18,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2021-10-21 20:25:18,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:18,270 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:18,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:18,341 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:18,341 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:18,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,345 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:25:18,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:18,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:18,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:18,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:18,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:18,375 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:18,375 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:18,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:18,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:18,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,425 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:25:18,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:18,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:18,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:18,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:18,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:18,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:18,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:18,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:18,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:18,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,464 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:25:18,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:18,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:18,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:18,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:18,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:18,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:18,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:18,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:18,478 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:18,480 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-21 20:25:18,480 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:25:18,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:18,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:18,481 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:18,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:25:18,482 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:18,482 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:18,482 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:18,482 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:18,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:18,506 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:18,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:18,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:18,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:18,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 20:25:18,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:18,811 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:18,812 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 [2021-10-21 20:25:18,812 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:18,818 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 276 states and 420 transitions. Complement of second has 5 states. [2021-10-21 20:25:18,819 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 [2021-10-21 20:25:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:18,819 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-21 20:25:18,819 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:18,820 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:18,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:18,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:18,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:18,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 20:25:18,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:19,095 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 [2021-10-21 20:25:19,095 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:19,101 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 276 states and 420 transitions. Complement of second has 5 states. [2021-10-21 20:25:19,102 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 [2021-10-21 20:25:19,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:19,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:19,103 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-21 20:25:19,103 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:19,103 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:19,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:19,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:19,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:19,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 20:25:19,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:19,383 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:19,383 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 [2021-10-21 20:25:19,384 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:19,393 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 392 states and 537 transitions. Complement of second has 4 states. [2021-10-21 20:25:19,393 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 [2021-10-21 20:25:19,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:19,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-21 20:25:19,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-21 20:25:19,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:19,394 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:19,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:19,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:19,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:19,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 20:25:19,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:19,638 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:19,638 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 [2021-10-21 20:25:19,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:19,678 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 260 states and 376 transitions. cyclomatic complexity: 137. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 455 states and 606 transitions. Complement of second has 8 states. [2021-10-21 20:25:19,678 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 [2021-10-21 20:25:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-21 20:25:19,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-21 20:25:19,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:19,679 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:19,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:19,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:19,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:19,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:19,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-21 20:25:19,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:20,003 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:20,003 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 [2021-10-21 20:25:20,004 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:20,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,075 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,076 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,077 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,078 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,079 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,079 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,080 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,081 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,082 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,082 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,083 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,083 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,084 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,085 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,085 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,086 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,087 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,087 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,088 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,088 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,089 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,090 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,090 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,090 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,142 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,144 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,144 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,144 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,147 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,147 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,150 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,152 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,152 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,152 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,158 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,158 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,165 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,165 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,167 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,168 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,168 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,169 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,170 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,170 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,170 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,171 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,171 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,243 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,246 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,247 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,248 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,248 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,248 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,249 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,250 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,250 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,251 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,252 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,253 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,253 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,253 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,253 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,254 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,254 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,256 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,256 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,256 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,258 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,259 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,259 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,259 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,260 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,260 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,260 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,260 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,261 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,262 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,263 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,263 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,265 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,265 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,265 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,266 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,266 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,266 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,267 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,267 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,267 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,268 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,270 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,270 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,270 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,271 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,271 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,271 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,272 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,381 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,382 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,382 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,383 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,383 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,383 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,383 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,384 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,384 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,384 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,385 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,388 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,388 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,388 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,389 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,389 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,389 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,390 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,390 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,391 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,391 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,391 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,392 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,395 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,395 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,395 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,396 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,396 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,396 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,397 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,397 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,399 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,399 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,399 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,400 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,400 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,401 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,401 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,401 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,403 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,405 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,406 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,406 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,406 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,407 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,407 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,407 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,407 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,408 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,409 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,409 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,410 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,410 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:20,458 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 260 states and 376 transitions. cyclomatic complexity: 137 Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 5484 states and 8953 transitions. Complement of second has 178 states 20 powerset states158 rank states. The highest rank that occured is 7 [2021-10-21 20:25:20,459 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 [2021-10-21 20:25:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 11 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2021-10-21 20:25:20,460 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-21 20:25:20,461 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:20,461 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2021-10-21 20:25:20,462 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:20,462 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2021-10-21 20:25:20,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:20,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2021-10-21 20:25:20,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2021-10-21 20:25:20,552 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2021-10-21 20:25:20,552 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-21 20:25:20,552 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 20:25:20,553 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2021-10-21 20:25:20,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:20,553 INFO L681 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2021-10-21 20:25:20,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2021-10-21 20:25:20,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2021-10-21 20:25:20,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 660 states have (on average 1.5893939393939394) internal successors, (1049), 659 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2021-10-21 20:25:20,581 INFO L704 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2021-10-21 20:25:20,581 INFO L587 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2021-10-21 20:25:20,581 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 20:25:20,581 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2021-10-21 20:25:20,587 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-21 20:25:20,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:20,587 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:20,588 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:20,588 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2021-10-21 20:25:20,588 INFO L791 eck$LassoCheckResult]: Stem: 13384#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 13389#L15-2 assume !!(main_~c~0 > 0); 13475#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13411#L15-2 assume !!(main_~c~0 > 0); 13408#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2021-10-21 20:25:20,588 INFO L793 eck$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; 13661#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); 13413#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; 13412#L15-2 assume !!(main_~c~0 > 0); 13410#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2021-10-21 20:25:20,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:20,589 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2021-10-21 20:25:20,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:20,589 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016009114] [2021-10-21 20:25:20,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:20,590 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:20,596 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:20,600 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:20,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:20,600 INFO L82 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2021-10-21 20:25:20,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:20,601 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162693178] [2021-10-21 20:25:20,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:20,601 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:20,611 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:20,619 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:20,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:20,620 INFO L82 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2021-10-21 20:25:20,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:20,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069670712] [2021-10-21 20:25:20,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:20,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:20,631 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:20,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:20,928 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:20,928 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:20,928 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:20,928 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:20,928 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:20,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:20,928 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:20,928 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:20,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2021-10-21 20:25:20,929 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:20,929 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:20,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:20,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:20,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:20,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:20,992 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:20,992 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:20,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:20,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:20,993 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:21,005 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:21,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 20:25:21,029 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:21,029 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: [] [2021-10-21 20:25:21,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,073 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,076 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:21,076 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:21,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 20:25:21,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:25:21,105 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: [] [2021-10-21 20:25:21,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,149 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:21,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:21,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:25:21,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,227 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:21,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:21,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:25:21,309 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:21,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,313 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:21,313 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:21,313 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:21,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:21,313 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:21,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,313 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:21,314 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:21,314 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2021-10-21 20:25:21,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:21,314 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:21,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:21,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:21,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:21,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:21,384 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:21,385 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:21,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,389 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:21,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:21,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:21,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:21,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:21,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:21,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:25:21,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:21,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,465 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:21,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:21,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:21,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:21,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:21,480 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:21,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:21,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:25:21,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:21,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,528 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:21,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:21,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:21,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:21,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:21,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:21,540 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:21,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:21,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:25:21,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:21,556 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:25:21,556 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 20:25:21,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:21,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:21,557 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:21,559 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:21,559 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:21,559 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:21,559 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-21 20:25:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:25:21,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:21,597 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:21,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:21,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:21,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:21,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 20:25:21,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:21,893 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 [2021-10-21 20:25:21,893 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:21,915 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 692 states and 1173 transitions. Complement of second has 5 states. [2021-10-21 20:25:21,915 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 [2021-10-21 20:25:21,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:21,916 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-21 20:25:21,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:21,916 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:21,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:21,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:21,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:21,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 20:25:21,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:22,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:22,284 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:22,284 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 [2021-10-21 20:25:22,285 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:22,298 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 692 states and 1173 transitions. Complement of second has 5 states. [2021-10-21 20:25:22,299 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 [2021-10-21 20:25:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:22,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:22,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-21 20:25:22,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:22,300 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:22,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:22,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:22,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:22,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 20:25:22,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:22,628 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 [2021-10-21 20:25:22,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:22,643 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 996 states and 1456 transitions. Complement of second has 4 states. [2021-10-21 20:25:22,643 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 [2021-10-21 20:25:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-21 20:25:22,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-21 20:25:22,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:22,645 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:22,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:22,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:22,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:22,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 20:25:22,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:22,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:22,992 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 [2021-10-21 20:25:22,993 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:23,040 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 660 states and 1049 transitions. cyclomatic complexity: 434. Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1149 states and 1623 transitions. Complement of second has 8 states. [2021-10-21 20:25:23,040 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 [2021-10-21 20:25:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:23,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-21 20:25:23,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-21 20:25:23,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:23,042 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:23,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:23,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:23,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:23,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:23,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-21 20:25:23,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:23,390 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:25:23,390 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 [2021-10-21 20:25:23,390 INFO L104 BuchiDifferenceFKV]: Start buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:23,483 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,484 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,485 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,485 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,486 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,487 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,488 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,488 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,488 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,488 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,489 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,489 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,489 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,490 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,490 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,490 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,491 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,491 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,492 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,494 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,496 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,497 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,500 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,500 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,502 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,507 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,507 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,507 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,508 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,508 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,510 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,510 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,511 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,575 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,576 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,576 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,576 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,578 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,579 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,579 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,579 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,581 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,581 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,581 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,582 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,583 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,584 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,584 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,584 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,585 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,585 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,585 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,585 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,586 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,586 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,586 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,586 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,587 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,587 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,587 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,587 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,588 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,588 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,588 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,588 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,590 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,590 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,591 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,591 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,593 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,593 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,593 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,593 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,594 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,594 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,594 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,595 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,596 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,615 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,615 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,616 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,616 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,618 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,618 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,619 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,619 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,619 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,623 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,623 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,627 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,627 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,627 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,628 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,628 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,629 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,629 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,630 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,630 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,631 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,632 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,638 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,638 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,638 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,638 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,642 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,642 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,729 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,730 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,730 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,730 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,730 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,733 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,733 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,743 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,743 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,743 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,743 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,744 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,745 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,746 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,746 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,746 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,746 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,747 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,747 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,747 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,748 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,748 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,748 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,748 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,749 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,749 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,751 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,751 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,752 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,752 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,752 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,752 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,755 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,755 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,755 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,756 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,756 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,756 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,756 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,757 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,757 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,757 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,757 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,758 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,758 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,758 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,758 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,759 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,759 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,759 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,761 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,761 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,762 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,762 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,762 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,763 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,763 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,763 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,763 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,764 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,765 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,765 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,765 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,767 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,767 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,767 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,768 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,769 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,769 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,770 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,770 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,771 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,771 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,771 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,771 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,772 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,772 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,772 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,773 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,773 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,773 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,773 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,774 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,774 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,775 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,775 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,776 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,777 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,777 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,777 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,778 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,778 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,778 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,778 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,779 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,779 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,779 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,781 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,781 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,781 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,782 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,782 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,782 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,782 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,783 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,784 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,784 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,785 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,786 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,786 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,787 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,787 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,788 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,789 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,789 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,789 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,790 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,790 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,790 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,790 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,791 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,791 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,791 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,791 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,792 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,792 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,792 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,792 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,793 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,794 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,794 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,795 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,795 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,795 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,795 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,796 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,797 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,797 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,798 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,799 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,799 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,799 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,800 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,801 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,801 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,963 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,963 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,964 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,964 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,964 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,964 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,966 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,966 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,966 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,967 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,967 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,967 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,969 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,969 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,969 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,970 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,970 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,970 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,972 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,972 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,972 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,972 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,973 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,973 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,973 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,973 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,973 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,974 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,974 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,974 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,974 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,974 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,975 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,975 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,975 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,975 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,975 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,976 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,976 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,976 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,976 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,976 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,977 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,977 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,977 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,977 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,977 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,977 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,979 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,979 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,980 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,980 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,980 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,980 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,982 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,982 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,983 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,983 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,983 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,983 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,983 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,984 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,984 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,984 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,984 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,984 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,985 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,985 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,985 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,985 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,985 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,986 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,986 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,986 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,987 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,988 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,988 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,989 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,989 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,989 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,990 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,990 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,991 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,992 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,993 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,993 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,993 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,993 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,993 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,993 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,994 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,994 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,994 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,994 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,995 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,995 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,996 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,997 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,997 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,997 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,997 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,998 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,998 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,998 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,998 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,998 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,999 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:23,999 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,000 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,000 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,001 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,001 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,001 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,002 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,002 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,003 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,004 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,005 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,005 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,006 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,007 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,007 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,007 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,007 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,007 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,008 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,008 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,008 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,009 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,010 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,010 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,010 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,010 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,011 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,011 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,011 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,011 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,013 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,013 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,013 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,013 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,013 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,014 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,014 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,147 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,150 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,150 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,150 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,158 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,158 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,158 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,158 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,159 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,160 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,161 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,162 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,164 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,165 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,165 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,166 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,168 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,169 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,169 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,169 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,169 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,170 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,172 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,172 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,172 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,173 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,173 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,173 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,173 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,174 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,174 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,174 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,174 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,175 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,175 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,175 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,175 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,175 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,176 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,176 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,177 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,177 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,178 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,178 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,178 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,179 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,179 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,179 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,181 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,181 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,182 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,182 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,182 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,182 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,184 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,185 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,185 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,185 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,185 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,186 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,186 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,186 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,186 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,187 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,187 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,187 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,187 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,188 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,188 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,188 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,188 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,189 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,190 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,190 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,190 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,190 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,191 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,191 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,192 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,192 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-21 20:25:24,255 INFO L108 BuchiDifferenceFKV]: Finished buchiDifferenceFKV. First operand 660 states and 1049 transitions. cyclomatic complexity: 434 Second operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14845 states and 25888 transitions. Complement of second has 212 states 24 powerset states188 rank states. The highest rank that occured is 7 [2021-10-21 20:25:24,256 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 [2021-10-21 20:25:24,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.0) internal successors, (26), 13 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2021-10-21 20:25:24,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-21 20:25:24,259 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:24,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2021-10-21 20:25:24,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:24,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2021-10-21 20:25:24,268 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:24,268 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2021-10-21 20:25:24,464 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-10-21 20:25:24,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2021-10-21 20:25:24,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-21 20:25:24,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-21 20:25:24,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2021-10-21 20:25:24,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:25:24,504 INFO L681 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2021-10-21 20:25:24,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2021-10-21 20:25:24,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2021-10-21 20:25:24,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1604 states, 1604 states have (on average 1.7880299251870324) internal successors, (2868), 1603 states have internal predecessors, (2868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2021-10-21 20:25:24,568 INFO L704 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2021-10-21 20:25:24,568 INFO L587 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2021-10-21 20:25:24,568 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-21 20:25:24,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2021-10-21 20:25:24,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-10-21 20:25:24,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:25:24,576 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:25:24,578 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-21 20:25:24,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2021-10-21 20:25:24,579 INFO L791 eck$LassoCheckResult]: Stem: 33134#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 33152#L15-2 assume !!(main_~c~0 > 0); 33390#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33178#L15-2 assume !!(main_~c~0 > 0); 33175#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2021-10-21 20:25:24,581 INFO L793 eck$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); 34533#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34530#L15-2 assume !!(main_~c~0 > 0); 34528#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34527#L15-2 assume !!(main_~c~0 > 0); 34525#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34521#L15-2 assume !!(main_~c~0 > 0); 34520#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 34519#L15-2 assume !!(main_~c~0 > 0); 34518#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34517#L15-2 assume !!(main_~c~0 > 0); 34516#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33587#L15-2 assume !!(main_~c~0 > 0); 34515#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34514#L15-2 assume !!(main_~c~0 > 0); 34513#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33571#L15-2 assume !!(main_~c~0 > 0); 34512#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 34510#L15-2 assume !!(main_~c~0 > 0); 33180#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33182#L15-2 assume !!(main_~c~0 > 0); 33181#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 33179#L15-2 assume !!(main_~c~0 > 0); 33177#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2021-10-21 20:25:24,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:24,581 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2021-10-21 20:25:24,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:24,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309279416] [2021-10-21 20:25:24,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:24,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:24,589 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:24,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:24,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:24,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2021-10-21 20:25:24,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:24,606 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509840174] [2021-10-21 20:25:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:24,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:24,620 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:24,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:24,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:24,634 INFO L82 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2021-10-21 20:25:24,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:25:24,634 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93396864] [2021-10-21 20:25:24,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:25:24,635 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:25:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:24,647 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:25:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:25:24,667 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:25:25,013 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:25,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:25,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:25,014 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:25,014 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:25:25,014 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,014 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:25,014 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:25,014 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2021-10-21 20:25:25,014 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:25,015 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:25,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,099 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:25,099 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:25:25,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:25,103 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:25,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:25:25,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:25:25,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:25,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 20:25:25,138 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:25,139 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:25,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:25:25,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:25:25,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:25:25,180 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:25:25,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:25,182 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:25:25,183 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:25:25,183 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:25:25,183 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:25:25,183 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:25:25,183 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,183 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:25:25,183 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:25:25,183 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2021-10-21 20:25:25,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:25:25,183 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:25:25,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:25:25,242 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:25:25,242 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:25:25,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:25,243 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:25,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:25:25,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:25,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:25,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:25,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:25,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:25,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:25:25,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:25:25,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:25:25,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:25,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:25,283 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:25,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:25:25,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:25:25,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:25:25,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:25:25,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:25:25,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:25:25,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:25:25,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:25:25,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:25:25,297 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:25:25,298 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-21 20:25:25,299 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:25:25,299 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:25:25,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:25:25,300 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:25:25,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:25:25,302 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:25:25,302 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:25:25,302 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:25:25,302 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-21 20:25:25,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-21 20:25:25,326 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:25:25,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:25,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:25,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:25,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 20:25:25,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-21 20:25:25,638 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 [2021-10-21 20:25:25,638 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:25,654 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1668 states and 3224 transitions. Complement of second has 5 states. [2021-10-21 20:25:25,655 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 [2021-10-21 20:25:25,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:25,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:25,656 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-21 20:25:25,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:25,656 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:25,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:25,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:25,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:25,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 20:25:25,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-21 20:25:25,919 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 [2021-10-21 20:25:25,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:25,935 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1668 states and 3224 transitions. Complement of second has 5 states. [2021-10-21 20:25:25,935 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 [2021-10-21 20:25:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:25,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-21 20:25:25,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-21 20:25:25,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:25,958 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:25,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:25,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:26,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:26,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:26,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 20:25:26,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:26,242 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-21 20:25:26,243 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 [2021-10-21 20:25:26,243 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:26,273 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2364 states and 3787 transitions. Complement of second has 7 states. [2021-10-21 20:25:26,274 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 [2021-10-21 20:25:26,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:26,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-10-21 20:25:26,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-21 20:25:26,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:26,275 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 20:25:26,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:25:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:26,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:25:26,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:25:26,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-21 20:25:26,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:25:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-21 20:25:26,556 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 [2021-10-21 20:25:26,556 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:26,631 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1604 states and 2868 transitions. cyclomatic complexity: 1357. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3111 states and 5286 transitions. Complement of second has 12 states. [2021-10-21 20:25:26,632 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 [2021-10-21 20:25:26,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:25:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2021-10-21 20:25:26,632 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-21 20:25:26,633 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:26,633 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2021-10-21 20:25:26,634 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:26,634 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2021-10-21 20:25:26,636 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:25:26,636 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2021-10-21 20:25:26,660 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:25:26,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2021-10-21 20:25:26,661 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:25:26,661 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:25:26,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:25:26,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:25:26,661 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:25:26,661 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:25:26,662 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:25:26,662 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-21 20:25:26,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:25:26,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:25:26,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:25:26,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:25:26 BoogieIcfgContainer [2021-10-21 20:25:26,670 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:25:26,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:25:26,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:25:26,672 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:25:26,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:25:03" (3/4) ... [2021-10-21 20:25:26,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:25:26,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:25:26,678 INFO L168 Benchmark]: Toolchain (without parser) took 23688.43 ms. Allocated memory was 92.3 MB in the beginning and 270.5 MB in the end (delta: 178.3 MB). Free memory was 57.5 MB in the beginning and 120.9 MB in the end (delta: -63.4 MB). Peak memory consumption was 114.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:25:26,679 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:25:26,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.58 ms. Allocated memory was 92.3 MB in the beginning and 136.3 MB in the end (delta: 44.0 MB). Free memory was 57.2 MB in the beginning and 112.6 MB in the end (delta: -55.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:25:26,681 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 136.3 MB. Free memory was 112.6 MB in the beginning and 111.7 MB in the end (delta: 835.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:25:26,681 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 ms. Allocated memory is still 136.3 MB. Free memory was 111.7 MB in the beginning and 110.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:25:26,682 INFO L168 Benchmark]: RCFGBuilder took 313.68 ms. Allocated memory is still 136.3 MB. Free memory was 110.6 MB in the beginning and 102.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:25:26,682 INFO L168 Benchmark]: BuchiAutomizer took 22933.58 ms. Allocated memory was 136.3 MB in the beginning and 270.5 MB in the end (delta: 134.2 MB). Free memory was 102.2 MB in the beginning and 120.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 117.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:25:26,683 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 270.5 MB. Free memory is still 120.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:25:26,691 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory was 64.6 MB in the beginning and 64.5 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 351.58 ms. Allocated memory was 92.3 MB in the beginning and 136.3 MB in the end (delta: 44.0 MB). Free memory was 57.2 MB in the beginning and 112.6 MB in the end (delta: -55.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 136.3 MB. Free memory was 112.6 MB in the beginning and 111.7 MB in the end (delta: 835.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.76 ms. Allocated memory is still 136.3 MB. Free memory was 111.7 MB in the beginning and 110.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 313.68 ms. Allocated memory is still 136.3 MB. Free memory was 110.6 MB in the beginning and 102.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 22933.58 ms. Allocated memory was 136.3 MB in the beginning and 270.5 MB in the end (delta: 134.2 MB). Free memory was 102.2 MB in the beginning and 120.9 MB in the end (delta: -18.7 MB). Peak memory consumption was 117.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.53 ms. Allocated memory is still 270.5 MB. Free memory is still 120.9 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 211 + -2 * n 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 211 + -2 * n and consists of 3 locations. One nondeterministic module has affine ranking function 201 + -2 * n 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 22.8s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 11.3s. Construction of modules took 0.4s. Büchi inclusion checks took 10.3s. Highest rank in rank-based complementation 7. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 184.4ms AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.4s 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, 239 SDslu, 127 SDs, 0 SdLazy, 380 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 417.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT10 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax158 hnf96 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf94 smp97 dnf100 smp100 tf112 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 3.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:25:26,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-10-21 20:25:26,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2021-10-21 20:25:27,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_31efa754-5b0c-4c3f-b541-902f294f5d57/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...