./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f36e762e796a59800b85d8514c20c7f73c19b5c1 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:35:25,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:35:25,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:35:25,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:35:25,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:35:25,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:35:25,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:35:25,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:35:25,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:35:25,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:35:25,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:35:25,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:35:25,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:35:25,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:35:25,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:35:25,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:35:25,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:35:25,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:35:25,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:35:25,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:35:25,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:35:25,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:35:25,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:35:25,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:35:25,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:35:25,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:35:25,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:35:25,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:35:25,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:35:25,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:35:25,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:35:25,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:35:25,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:35:25,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:35:25,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:35:25,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:35:25,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:35:25,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:35:25,868 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:35:25,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:35:25,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:35:25,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 00:35:25,926 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:35:25,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:35:25,927 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:35:25,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:35:25,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:35:25,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:35:25,929 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:35:25,929 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:35:25,930 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:35:25,930 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:35:25,931 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:35:25,931 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:35:25,931 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:35:25,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:35:25,932 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:35:25,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:35:25,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:35:25,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:35:25,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:35:25,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:35:25,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:35:25,933 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:35:25,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:35:25,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:35:25,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:35:25,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:35:25,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:35:25,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:35:25,936 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:35:25,937 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:35:25,937 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_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36e762e796a59800b85d8514c20c7f73c19b5c1 [2021-10-13 00:35:26,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:35:26,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:35:26,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:35:26,248 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:35:26,249 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:35:26,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2021-10-13 00:35:26,344 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/data/f201661f2/afd53715888a4d6984b08d41fa547bca/FLAGb2787d3a6 [2021-10-13 00:35:26,789 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:35:26,789 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/sv-benchmarks/c/termination-crafted/McCarthy91_Iteration.c [2021-10-13 00:35:26,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/data/f201661f2/afd53715888a4d6984b08d41fa547bca/FLAGb2787d3a6 [2021-10-13 00:35:27,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/data/f201661f2/afd53715888a4d6984b08d41fa547bca [2021-10-13 00:35:27,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:35:27,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:35:27,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:35:27,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:35:27,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:35:27,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b8d590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27, skipping insertion in model container [2021-10-13 00:35:27,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:35:27,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:35:27,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:35:27,359 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:35:27,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:35:27,403 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:35:27,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27 WrapperNode [2021-10-13 00:35:27,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:35:27,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:35:27,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:35:27,404 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:35:27,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:35:27,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:35:27,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:35:27,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:35:27,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:35:27,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:35:27,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:35:27,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:35:27,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (1/1) ... [2021-10-13 00:35:27,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:27,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:27,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:35:27,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:35:27,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:35:27,721 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:35:27,721 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 00:35:27,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:27 BoogieIcfgContainer [2021-10-13 00:35:27,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:35:27,727 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:35:27,727 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:35:27,731 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:35:27,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:35:27,732 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:35:27" (1/3) ... [2021-10-13 00:35:27,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24be2c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:35:27, skipping insertion in model container [2021-10-13 00:35:27,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:35:27,735 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:35:27" (2/3) ... [2021-10-13 00:35:27,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24be2c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:35:27, skipping insertion in model container [2021-10-13 00:35:27,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:35:27,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:27" (3/3) ... [2021-10-13 00:35:27,738 INFO L389 chiAutomizerObserver]: Analyzing ICFG McCarthy91_Iteration.c [2021-10-13 00:35:27,804 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:35:27,805 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:35:27,805 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:35:27,805 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:35:27,805 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:35:27,805 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:35:27,805 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:35:27,806 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:35:27,822 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) [2021-10-13 00:35:27,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:27,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:27,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:27,853 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 00:35:27,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:27,853 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:35:27,854 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) [2021-10-13 00:35:27,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:27,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:27,855 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:27,855 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 00:35:27,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:27,863 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 [2021-10-13 00:35:27,863 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 [2021-10-13 00:35:27,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:27,869 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-13 00:35:27,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:27,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242954354] [2021-10-13 00:35:27,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:27,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:27,956 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:27,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:27,980 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:27,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:27,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-13 00:35:27,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:27,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256781137] [2021-10-13 00:35:27,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:27,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:28,008 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:28,022 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:28,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:28,025 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-13 00:35:28,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:28,026 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383640622] [2021-10-13 00:35:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:28,026 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:28,044 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:28,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:28,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:28,205 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:28,206 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:28,206 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:28,206 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:28,206 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:28,206 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,207 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:28,207 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:28,207 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2021-10-13 00:35:28,207 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:28,207 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:28,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:28,400 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:28,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,406 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:28,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:28,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:35:28,435 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:28,435 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: [] [2021-10-13 00:35:28,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:28,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,483 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:28,483 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:28,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:35:28,504 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:28,504 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: [] [2021-10-13 00:35:28,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:28,540 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,542 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,548 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:28,548 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:28,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:35:28,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:28,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:28,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:28,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:35:28,696 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:28,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:28,703 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:28,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:28,703 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:28,703 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:28,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:28,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:28,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:28,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration1_Loop [2021-10-13 00:35:28,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:28,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:28,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:28,809 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:28,813 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:28,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,816 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,822 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 [2021-10-13 00:35:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:35:28,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:28,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:28,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:28,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:28,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:28,838 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:28,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:28,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-13 00:35:28,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,894 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:35:28,899 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 [2021-10-13 00:35:28,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:28,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:28,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:28,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:28,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:28,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:28,935 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:28,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:28,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:28,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:28,963 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:28,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:35:28,972 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 [2021-10-13 00:35:28,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:28,982 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:28,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:28,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:28,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:28,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:28,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:29,003 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:29,016 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:29,016 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:29,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,029 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:29,029 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:29,029 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:29,030 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:29,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:35:29,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,063 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:29,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:29,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:29,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:29,103 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:29,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:29,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:29,133 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 [2021-10-13 00:35:29,135 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) [2021-10-13 00:35:29,179 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. [2021-10-13 00:35:29,180 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 [2021-10-13 00:35:29,181 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) [2021-10-13 00:35:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-10-13 00:35:29,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-13 00:35:29,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:29,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 00:35:29,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:29,186 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-13 00:35:29,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:29,188 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2021-10-13 00:35:29,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:29,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2021-10-13 00:35:29,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-13 00:35:29,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-13 00:35:29,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2021-10-13 00:35:29,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:29,203 INFO L681 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:29,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2021-10-13 00:35:29,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-13 00:35:29,227 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) [2021-10-13 00:35:29,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-13 00:35:29,231 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:29,231 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:29,231 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:35:29,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-13 00:35:29,232 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:29,232 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:29,232 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:29,233 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 00:35:29,233 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:29,233 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 [2021-10-13 00:35:29,233 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 [2021-10-13 00:35:29,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,236 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-13 00:35:29,236 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:29,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562036062] [2021-10-13 00:35:29,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:29,237 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,248 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,264 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:29,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 2 times [2021-10-13 00:35:29,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:29,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184799600] [2021-10-13 00:35:29,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:29,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,292 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:29,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:29,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,345 INFO L82 PathProgramCache]: Analyzing trace with hash 29865320, now seen corresponding path program 1 times [2021-10-13 00:35:29,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:29,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575546298] [2021-10-13 00:35:29,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:29,345 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,366 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:29,425 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:29,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:29,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:29,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:29,426 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:29,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:29,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:29,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2021-10-13 00:35:29,426 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:29,426 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:29,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,504 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:29,504 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:29,505 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,506 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:29,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:29,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:35:29,537 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:29,537 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: [] [2021-10-13 00:35:29,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,573 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,583 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:29,583 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:29,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:35:29,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,660 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:35:29,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:29,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:29,703 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:29,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,706 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:29,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:29,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:29,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:29,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:29,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:29,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:29,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration2_Loop [2021-10-13 00:35:29,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:29,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:29,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:29,776 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:29,776 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:29,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,778 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,784 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 [2021-10-13 00:35:29,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:29,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:29,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:29,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:29,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:29,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:29,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:35:29,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:29,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,860 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,865 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 [2021-10-13 00:35:29,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:29,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:29,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:29,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:29,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:29,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:29,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:29,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:35:29,880 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:29,885 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:29,885 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:29,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:29,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:29,886 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:29,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:35:29,888 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:29,889 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:29,889 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:29,889 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-13 00:35:29,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:29,913 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:29,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:29,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:29,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:29,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:29,944 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:29,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:29,964 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 [2021-10-13 00:35:29,964 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) [2021-10-13 00:35:29,974 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. [2021-10-13 00:35:29,975 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 [2021-10-13 00:35:29,975 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) [2021-10-13 00:35:29,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-13 00:35:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 00:35:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:29,976 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:29,976 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:29,977 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-13 00:35:29,977 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:29,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 16 transitions. [2021-10-13 00:35:29,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:29,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 16 transitions. [2021-10-13 00:35:29,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-13 00:35:29,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-13 00:35:29,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 16 transitions. [2021-10-13 00:35:29,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:29,979 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-13 00:35:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 16 transitions. [2021-10-13 00:35:29,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-13 00:35:29,980 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) [2021-10-13 00:35:29,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 16 transitions. [2021-10-13 00:35:29,981 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-13 00:35:29,981 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 16 transitions. [2021-10-13 00:35:29,981 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:35:29,981 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 16 transitions. [2021-10-13 00:35:29,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:35:29,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:29,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:29,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:29,983 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:29,983 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 [2021-10-13 00:35:29,983 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 [2021-10-13 00:35:29,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,983 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 2 times [2021-10-13 00:35:29,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:29,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728882345] [2021-10-13 00:35:29,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:29,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,991 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:29,998 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:29,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:29,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 3 times [2021-10-13 00:35:29,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:29,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171592346] [2021-10-13 00:35:29,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:29,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,004 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:30,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,008 INFO L82 PathProgramCache]: Analyzing trace with hash -1364196307, now seen corresponding path program 2 times [2021-10-13 00:35:30,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:30,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536891774] [2021-10-13 00:35:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:30,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,018 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:30,050 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:30,050 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:30,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:30,050 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:30,050 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:30,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,051 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:30,051 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:30,051 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2021-10-13 00:35:30,051 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:30,051 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:30,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:30,150 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:30,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:30,156 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:30,161 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:30,161 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:30,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:35:30,196 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:30,196 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: [] [2021-10-13 00:35:30,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-13 00:35:30,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:30,268 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:30,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:35:30,271 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:30,271 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:30,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-10-13 00:35:30,301 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:30,302 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:30,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:35:30,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:30,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:30,364 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:30,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:30,371 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:30,371 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:30,371 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:30,371 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:30,371 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:30,371 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,371 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:30,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:30,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration3_Loop [2021-10-13 00:35:30,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:30,371 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:30,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,431 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:30,432 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:30,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:30,441 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:30,446 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 [2021-10-13 00:35:30,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:30,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:30,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:30,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:30,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:30,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:30,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:30,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:35:30,475 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:30,479 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:30,480 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:30,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:30,482 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:30,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:35:30,492 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:30,492 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:30,492 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:30,492 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-13 00:35:30,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:30,526 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:30,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:30,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:30,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:30,578 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:30,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:30,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:30,608 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 [2021-10-13 00:35:30,608 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) [2021-10-13 00:35:30,624 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. [2021-10-13 00:35:30,625 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 [2021-10-13 00:35:30,625 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) [2021-10-13 00:35:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-13 00:35:30,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:30,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:30,626 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:30,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:30,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:30,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:30,670 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:30,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:30,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:30,698 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 [2021-10-13 00:35:30,699 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) [2021-10-13 00:35:30,714 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. [2021-10-13 00:35:30,714 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 [2021-10-13 00:35:30,714 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) [2021-10-13 00:35:30,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-10-13 00:35:30,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:30,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:30,715 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:30,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:30,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:30,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:30,761 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:30,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:30,782 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 [2021-10-13 00:35:30,782 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) [2021-10-13 00:35:30,797 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. [2021-10-13 00:35:30,797 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 [2021-10-13 00:35:30,798 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) [2021-10-13 00:35:30,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:30,800 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-13 00:35:30,800 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:30,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-13 00:35:30,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:30,801 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-13 00:35:30,801 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:30,801 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 23 transitions. [2021-10-13 00:35:30,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:30,807 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 13 states and 19 transitions. [2021-10-13 00:35:30,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-13 00:35:30,808 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-13 00:35:30,808 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 19 transitions. [2021-10-13 00:35:30,808 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:30,808 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2021-10-13 00:35:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 19 transitions. [2021-10-13 00:35:30,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 5. [2021-10-13 00:35:30,811 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) [2021-10-13 00:35:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2021-10-13 00:35:30,811 INFO L704 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-13 00:35:30,811 INFO L587 BuchiCegarLoop]: Abstraction has 5 states and 7 transitions. [2021-10-13 00:35:30,812 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:35:30,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 7 transitions. [2021-10-13 00:35:30,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:30,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:30,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:30,814 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-13 00:35:30,814 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:30,814 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 [2021-10-13 00:35:30,815 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 [2021-10-13 00:35:30,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,815 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-13 00:35:30,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:30,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019497127] [2021-10-13 00:35:30,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:30,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,828 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,838 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:30,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-10-13 00:35:30,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:30,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386028786] [2021-10-13 00:35:30,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:30,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,851 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:30,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:30,864 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 3 times [2021-10-13 00:35:30,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:30,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841831615] [2021-10-13 00:35:30,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:30,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,875 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:30,882 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:30,944 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:30,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:30,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:30,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:30,945 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:30,945 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:30,945 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:30,945 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:30,946 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2021-10-13 00:35:30,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:30,946 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:30,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:30,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,061 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:31,062 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:31,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,072 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:31,093 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:35:31,120 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:31,120 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: [] [2021-10-13 00:35:31,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-10-13 00:35:31,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,146 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:35:31,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:31,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 00:35:31,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,199 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:35:31,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:31,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,220 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:31,220 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] [2021-10-13 00:35:31,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,245 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,246 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:35:31,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:31,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-13 00:35:31,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,282 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:35:31,283 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:31,283 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,329 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:31,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,332 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:31,332 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:31,332 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:31,332 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:31,332 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:31,332 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,332 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:31,332 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:31,332 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration4_Loop [2021-10-13 00:35:31,332 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:31,332 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:31,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,418 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:31,418 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:31,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,420 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,423 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 [2021-10-13 00:35:31,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:31,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:31,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:31,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:31,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:31,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:31,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:31,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:35:31,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:31,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,480 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,485 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 [2021-10-13 00:35:31,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:31,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:31,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:31,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:31,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:31,497 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:31,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:31,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:35:31,519 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:31,522 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:31,523 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:35:31,523 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,528 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,531 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:31,531 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:31,531 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:31,531 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2021-10-13 00:35:31,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:35:31,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,566 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:31,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:31,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:31,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:31,591 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:31,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:31,601 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 [2021-10-13 00:35:31,601 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) [2021-10-13 00:35:31,615 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. [2021-10-13 00:35:31,616 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 [2021-10-13 00:35:31,616 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) [2021-10-13 00:35:31,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2021-10-13 00:35:31,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-13 00:35:31,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:31,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-13 00:35:31,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:31,617 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 3 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-13 00:35:31,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:31,618 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 17 transitions. [2021-10-13 00:35:31,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:31,622 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 13 transitions. [2021-10-13 00:35:31,622 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-13 00:35:31,622 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-13 00:35:31,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2021-10-13 00:35:31,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:31,623 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2021-10-13 00:35:31,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2021-10-13 00:35:31,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2021-10-13 00:35:31,624 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) [2021-10-13 00:35:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 12 transitions. [2021-10-13 00:35:31,625 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2021-10-13 00:35:31,625 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 12 transitions. [2021-10-13 00:35:31,625 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:35:31,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 12 transitions. [2021-10-13 00:35:31,626 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-13 00:35:31,626 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:31,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:31,628 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1] [2021-10-13 00:35:31,628 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:35:31,628 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 [2021-10-13 00:35:31,628 INFO L793 eck$LassoCheckResult]: Loop: 311#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 312#L15-2 assume !!(main_~c~0 > 0); 311#L15 [2021-10-13 00:35:31,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:31,629 INFO L82 PathProgramCache]: Analyzing trace with hash 963335, now seen corresponding path program 2 times [2021-10-13 00:35:31,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:31,629 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296200546] [2021-10-13 00:35:31,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:31,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:31,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:35:31,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296200546] [2021-10-13 00:35:31,685 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296200546] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:35:31,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:35:31,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 00:35:31,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055771751] [2021-10-13 00:35:31,687 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:35:31,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:31,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 2 times [2021-10-13 00:35:31,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:31,688 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826857736] [2021-10-13 00:35:31,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:31,688 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:31,692 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:31,695 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:31,715 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:31,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:31,715 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:31,715 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:31,716 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:31,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:31,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:31,716 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2021-10-13 00:35:31,716 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:31,716 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:31,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,778 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:31,778 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:31,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,779 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:31,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:35:31,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,813 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:35:31,816 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:31,816 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:31,838 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] [2021-10-13 00:35:31,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 00:35:31,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,859 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,861 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:31,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:35:31,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:31,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:31,920 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:31,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:35:31,923 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:31,924 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:31,957 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:31,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 00:35:31,959 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:31,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:31,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:31,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:31,959 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:31,959 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:31,959 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:31,959 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:31,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration5_Loop [2021-10-13 00:35:31,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:31,960 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:31,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:31,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,028 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:32,028 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:32,028 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,029 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:35:32,037 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 [2021-10-13 00:35:32,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:32,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:32,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:32,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:32,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:32,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:32,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:32,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:32,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:32,100 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,101 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:35:32,107 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 [2021-10-13 00:35:32,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:32,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:32,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:32,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:32,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:32,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:32,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:32,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:32,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,151 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,166 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 [2021-10-13 00:35:32,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:32,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:32,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:32,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:32,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:32,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:32,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:32,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:35:32,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:32,194 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:32,194 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:35:32,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,195 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:32,197 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:32,197 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:32,197 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 211 Supporting invariants [] [2021-10-13 00:35:32,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:35:32,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:32,234 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,264 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:32,315 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 [2021-10-13 00:35:32,315 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) [2021-10-13 00:35:32,329 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. [2021-10-13 00:35:32,330 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 [2021-10-13 00:35:32,330 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) [2021-10-13 00:35:32,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-13 00:35:32,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:35:32,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:32,330 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:32,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,358 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:32,389 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 [2021-10-13 00:35:32,389 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) [2021-10-13 00:35:32,411 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. [2021-10-13 00:35:32,411 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 [2021-10-13 00:35:32,414 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) [2021-10-13 00:35:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:32,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:35:32,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:32,414 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:32,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,447 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:32,476 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 [2021-10-13 00:35:32,477 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) [2021-10-13 00:35:32,484 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. [2021-10-13 00:35:32,485 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 [2021-10-13 00:35:32,485 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) [2021-10-13 00:35:32,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-13 00:35:32,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:35:32,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:32,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:35:32,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:32,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 00:35:32,490 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:32,490 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2021-10-13 00:35:32,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 00:35:32,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 12 states and 16 transitions. [2021-10-13 00:35:32,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-13 00:35:32,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-13 00:35:32,493 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2021-10-13 00:35:32,493 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:32,493 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2021-10-13 00:35:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2021-10-13 00:35:32,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2021-10-13 00:35:32,494 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) [2021-10-13 00:35:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-13 00:35:32,495 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-13 00:35:32,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:35:32,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:35:32,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:35:32,499 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) [2021-10-13 00:35:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:35:32,515 INFO L93 Difference]: Finished difference Result 10 states and 12 transitions. [2021-10-13 00:35:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:35:32,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2021-10-13 00:35:32,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:35:32,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 8 states and 10 transitions. [2021-10-13 00:35:32,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-13 00:35:32,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-13 00:35:32,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-10-13 00:35:32,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:32,519 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-10-13 00:35:32,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-10-13 00:35:32,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-13 00:35:32,519 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) [2021-10-13 00:35:32,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-10-13 00:35:32,520 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-10-13 00:35:32,521 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-10-13 00:35:32,521 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 00:35:32,521 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2021-10-13 00:35:32,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-13 00:35:32,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:32,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:32,523 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 1, 1, 1] [2021-10-13 00:35:32,533 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1] [2021-10-13 00:35:32,533 INFO L791 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 460#L15-2 assume !!(main_~c~0 > 0); 463#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 462#L15-2 assume !!(main_~c~0 > 0); 464#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 465#L15-2 assume !!(main_~c~0 > 0); 461#L15 [2021-10-13 00:35:32,533 INFO L793 eck$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 [2021-10-13 00:35:32,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,551 INFO L82 PathProgramCache]: Analyzing trace with hash 925824930, now seen corresponding path program 3 times [2021-10-13 00:35:32,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:32,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499095191] [2021-10-13 00:35:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:32,552 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:32,574 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:32,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:32,593 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:32,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1380409, now seen corresponding path program 1 times [2021-10-13 00:35:32,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:32,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219697286] [2021-10-13 00:35:32,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:32,594 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:32,598 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:32,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:32,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1848815782, now seen corresponding path program 4 times [2021-10-13 00:35:32,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:32,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282228763] [2021-10-13 00:35:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:32,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:32,642 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:32,649 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:32,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:32,706 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:32,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:32,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:32,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:32,707 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:32,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:32,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:32,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2021-10-13 00:35:32,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:32,708 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:32,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:32,777 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:32,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,780 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:32,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:32,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:35:32,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-13 00:35:32,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,828 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:35:32,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:32,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:32,850 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:32,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-13 00:35:32,872 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:32,872 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:32,872 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:32,872 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:32,872 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:32,872 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,872 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:32,872 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:32,873 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration6_Loop [2021-10-13 00:35:32,873 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:32,873 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:32,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:32,925 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:32,925 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:32,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,927 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:35:32,929 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 [2021-10-13 00:35:32,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:32,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:32,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:32,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:32,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:32,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:32,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:32,939 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:32,941 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:32,941 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:35:32,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:32,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:32,942 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:32,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 00:35:32,944 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:32,944 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:32,944 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:32,944 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = -2*ULTIMATE.start_main_~n~0 + 201 Supporting invariants [] [2021-10-13 00:35:32,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:32,967 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:32,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:32,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:32,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:33,077 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 [2021-10-13 00:35:33,077 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) [2021-10-13 00:35:33,083 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. [2021-10-13 00:35:33,084 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 [2021-10-13 00:35:33,084 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) [2021-10-13 00:35:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2021-10-13 00:35:33,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:35:33,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,085 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:33,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,130 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:33,196 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 [2021-10-13 00:35:33,196 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) [2021-10-13 00:35:33,220 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. [2021-10-13 00:35:33,220 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 [2021-10-13 00:35:33,221 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) [2021-10-13 00:35:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:33,221 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:35:33,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,221 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:33,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:33,311 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 [2021-10-13 00:35:33,312 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) [2021-10-13 00:35:33,318 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. [2021-10-13 00:35:33,320 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 [2021-10-13 00:35:33,320 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) [2021-10-13 00:35:33,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2021-10-13 00:35:33,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:35:33,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,321 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:33,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:33,430 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 [2021-10-13 00:35:33,430 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) [2021-10-13 00:35:33,448 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. [2021-10-13 00:35:33,449 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 [2021-10-13 00:35:33,449 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) [2021-10-13 00:35:33,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:33,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:35:33,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,450 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:33,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,557 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:33,560 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 [2021-10-13 00:35:33,561 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) [2021-10-13 00:35:33,625 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 [2021-10-13 00:35:33,641 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 [2021-10-13 00:35:33,642 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) [2021-10-13 00:35:33,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2021-10-13 00:35:33,643 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-13 00:35:33,643 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-13 00:35:33,646 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,646 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 6 letters. Loop has 8 letters. [2021-10-13 00:35:33,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:33,648 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 96 transitions. [2021-10-13 00:35:33,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:33,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-13 00:35:33,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 27 states and 38 transitions. [2021-10-13 00:35:33,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-13 00:35:33,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2021-10-13 00:35:33,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 38 transitions. [2021-10-13 00:35:33,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:33,653 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 38 transitions. [2021-10-13 00:35:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 38 transitions. [2021-10-13 00:35:33,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 15. [2021-10-13 00:35:33,656 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) [2021-10-13 00:35:33,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2021-10-13 00:35:33,657 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2021-10-13 00:35:33,657 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2021-10-13 00:35:33,657 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 00:35:33,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2021-10-13 00:35:33,657 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 00:35:33,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:33,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:33,658 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 2, 1, 1] [2021-10-13 00:35:33,658 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2021-10-13 00:35:33,659 INFO L791 eck$LassoCheckResult]: Stem: 823#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 825#L15-2 assume !!(main_~c~0 > 0); 828#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 827#L15-2 assume !!(main_~c~0 > 0); 833#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 832#L15-2 assume !!(main_~c~0 > 0); 831#L15 assume main_~n~0 > 100;main_~n~0 := main_~n~0 - 10;main_~c~0 := main_~c~0 - 1; 830#L15-2 assume !!(main_~c~0 > 0); 826#L15 [2021-10-13 00:35:33,659 INFO L793 eck$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 [2021-10-13 00:35:33,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:33,659 INFO L82 PathProgramCache]: Analyzing trace with hash 659527871, now seen corresponding path program 5 times [2021-10-13 00:35:33,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:33,660 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545375458] [2021-10-13 00:35:33,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:33,660 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:35:33,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:35:33,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545375458] [2021-10-13 00:35:33,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545375458] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:33,688 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630448274] [2021-10-13 00:35:33,689 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-13 00:35:33,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:35:33,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:33,692 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:35:33,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2021-10-13 00:35:33,754 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-10-13 00:35:33,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-13 00:35:33,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:35:33,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:35:33,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630448274] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:33,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:35:33,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-10-13 00:35:33,795 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793949023] [2021-10-13 00:35:33,795 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:35:33,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:33,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 2 times [2021-10-13 00:35:33,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:33,796 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315476242] [2021-10-13 00:35:33,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:33,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:33,801 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:33,806 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:33,862 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:33,862 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:33,863 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:33,863 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:33,863 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:33,863 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:33,863 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:33,863 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:33,863 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2021-10-13 00:35:33,864 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:33,864 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:33,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:33,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:33,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:33,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:33,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:33,929 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:33,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:33,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:33,930 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:33,932 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:33,932 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:33,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 00:35:33,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:33,961 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: [] [2021-10-13 00:35:33,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:33,985 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:33,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:33,986 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:33,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 00:35:33,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:33,988 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:34,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:34,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,024 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 00:35:34,025 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:34,025 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:34,086 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:34,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:34,089 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:34,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:34,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:34,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:34,089 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:34,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:34,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:34,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration7_Loop [2021-10-13 00:35:34,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:34,089 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:34,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,111 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,162 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:34,162 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:34,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,168 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,173 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 [2021-10-13 00:35:34,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:34,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:34,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:34,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:34,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:34,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:34,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 00:35:34,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:34,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-13 00:35:34,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,210 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 00:35:34,211 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 [2021-10-13 00:35:34,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:34,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:34,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:34,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:34,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:34,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:34,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:34,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:34,223 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:34,223 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:34,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,232 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:34,234 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:34,235 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:34,235 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:34,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 00:35:34,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:34,272 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:34,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:34,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:34,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:34,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:35:34,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:34,367 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 [2021-10-13 00:35:34,367 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) [2021-10-13 00:35:34,395 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. [2021-10-13 00:35:34,396 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 [2021-10-13 00:35:34,396 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) [2021-10-13 00:35:34,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2021-10-13 00:35:34,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-13 00:35:34,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:34,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 00:35:34,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:34,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 12 letters. [2021-10-13 00:35:34,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:34,398 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 87 transitions. [2021-10-13 00:35:34,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 00:35:34,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 54 states and 75 transitions. [2021-10-13 00:35:34,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-13 00:35:34,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-13 00:35:34,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 75 transitions. [2021-10-13 00:35:34,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:34,401 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 75 transitions. [2021-10-13 00:35:34,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 75 transitions. [2021-10-13 00:35:34,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2021-10-13 00:35:34,406 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) [2021-10-13 00:35:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 66 transitions. [2021-10-13 00:35:34,407 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 66 transitions. [2021-10-13 00:35:34,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:35:34,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 00:35:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-13 00:35:34,408 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) [2021-10-13 00:35:34,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:35:34,421 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2021-10-13 00:35:34,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 00:35:34,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 60 transitions. [2021-10-13 00:35:34,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 00:35:34,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 33 states and 44 transitions. [2021-10-13 00:35:34,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-13 00:35:34,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2 [2021-10-13 00:35:34,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 44 transitions. [2021-10-13 00:35:34,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:34,424 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-13 00:35:34,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 44 transitions. [2021-10-13 00:35:34,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 21. [2021-10-13 00:35:34,426 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) [2021-10-13 00:35:34,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2021-10-13 00:35:34,427 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-10-13 00:35:34,427 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2021-10-13 00:35:34,427 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 00:35:34,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2021-10-13 00:35:34,428 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-10-13 00:35:34,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:34,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:34,429 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 2, 2, 1] [2021-10-13 00:35:34,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 2, 1] [2021-10-13 00:35:34,429 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 [2021-10-13 00:35:34,429 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 [2021-10-13 00:35:34,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:34,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1791617062, now seen corresponding path program 6 times [2021-10-13 00:35:34,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:34,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796897551] [2021-10-13 00:35:34,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:34,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:34,437 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:34,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:34,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:34,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1326573462, now seen corresponding path program 3 times [2021-10-13 00:35:34,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:34,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297979954] [2021-10-13 00:35:34,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:34,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:34,449 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:34,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:34,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:34,454 INFO L82 PathProgramCache]: Analyzing trace with hash 709032111, now seen corresponding path program 7 times [2021-10-13 00:35:34,454 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:34,455 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136770376] [2021-10-13 00:35:34,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:34,455 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:35:34,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:35:34,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136770376] [2021-10-13 00:35:34,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136770376] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:34,498 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617639799] [2021-10-13 00:35:34,498 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2021-10-13 00:35:34,499 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-13 00:35:34,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,500 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-10-13 00:35:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:34,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:35:34,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:34,618 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:35:34,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617639799] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-13 00:35:34,619 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-13 00:35:34,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2021-10-13 00:35:34,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069682996] [2021-10-13 00:35:34,679 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:34,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:34,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:34,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:34,680 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:34,680 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:34,680 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:34,680 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2021-10-13 00:35:34,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:34,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:34,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:34,743 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:34,743 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,749 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,755 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:34,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:34,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 00:35:34,776 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:34,776 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: [] [2021-10-13 00:35:34,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:34,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,811 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:34,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:34,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 00:35:34,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-13 00:35:34,868 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:34,868 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:34,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 00:35:34,871 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:34,871 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:34,931 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:34,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:34,933 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:34,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:34,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:34,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:34,934 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:34,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:34,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:34,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:34,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration8_Loop [2021-10-13 00:35:34,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:34,934 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:34,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:34,955 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:35,015 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:35,015 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:35,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:35,017 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:35,026 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 [2021-10-13 00:35:35,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:35,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:35,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:35,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:35,037 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:35,037 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:35,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 00:35:35,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:35,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:35,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:35,086 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:35,088 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 [2021-10-13 00:35:35,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:35,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:35,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:35,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:35,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:35,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:35,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:35,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 00:35:35,111 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:35,125 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:35,125 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:35,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:35,128 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:35,129 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:35,129 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:35,129 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:35,129 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:35,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 00:35:35,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:35,161 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:35,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:35,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:35:35,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:35,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-13 00:35:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:35,327 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 [2021-10-13 00:35:35,328 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) [2021-10-13 00:35:35,350 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. [2021-10-13 00:35:35,351 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 [2021-10-13 00:35:35,352 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) [2021-10-13 00:35:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-13 00:35:35,353 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-13 00:35:35,353 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:35,353 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:35,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:35,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:35:35,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:35,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:35,434 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 [2021-10-13 00:35:35,435 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) [2021-10-13 00:35:35,449 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. [2021-10-13 00:35:35,451 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 [2021-10-13 00:35:35,451 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) [2021-10-13 00:35:35,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2021-10-13 00:35:35,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-13 00:35:35,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:35,452 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:35,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:35,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-13 00:35:35,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:35,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:35,528 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 [2021-10-13 00:35:35,529 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) [2021-10-13 00:35:35,564 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. [2021-10-13 00:35:35,565 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 [2021-10-13 00:35:35,565 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) [2021-10-13 00:35:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-10-13 00:35:35,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 6 letters. [2021-10-13 00:35:35,566 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:35,566 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 16 letters. Loop has 6 letters. [2021-10-13 00:35:35,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:35,567 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 10 letters. Loop has 12 letters. [2021-10-13 00:35:35,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:35,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 99 transitions. [2021-10-13 00:35:35,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 22 [2021-10-13 00:35:35,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 52 states and 71 transitions. [2021-10-13 00:35:35,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2021-10-13 00:35:35,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2021-10-13 00:35:35,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 71 transitions. [2021-10-13 00:35:35,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:35,571 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 71 transitions. [2021-10-13 00:35:35,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 71 transitions. [2021-10-13 00:35:35,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 40. [2021-10-13 00:35:35,574 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) [2021-10-13 00:35:35,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 58 transitions. [2021-10-13 00:35:35,575 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 58 transitions. [2021-10-13 00:35:35,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:35:35,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 00:35:35,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-13 00:35:35,576 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) [2021-10-13 00:35:35,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:35:35,596 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2021-10-13 00:35:35,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 00:35:35,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 85 transitions. [2021-10-13 00:35:35,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 18 [2021-10-13 00:35:35,598 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 51 states and 67 transitions. [2021-10-13 00:35:35,598 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2 [2021-10-13 00:35:35,599 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-13 00:35:35,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 67 transitions. [2021-10-13 00:35:35,599 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:35,599 INFO L681 BuchiCegarLoop]: Abstraction has 51 states and 67 transitions. [2021-10-13 00:35:35,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 67 transitions. [2021-10-13 00:35:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 33. [2021-10-13 00:35:35,602 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) [2021-10-13 00:35:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2021-10-13 00:35:35,603 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-13 00:35:35,603 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 43 transitions. [2021-10-13 00:35:35,603 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-13 00:35:35,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 43 transitions. [2021-10-13 00:35:35,603 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-13 00:35:35,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:35,604 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:35,604 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:35,604 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 2, 2] [2021-10-13 00:35:35,604 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 [2021-10-13 00:35:35,605 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 [2021-10-13 00:35:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,605 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 4 times [2021-10-13 00:35:35,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:35,605 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226414417] [2021-10-13 00:35:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:35,606 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,610 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,614 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:35,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1687002897, now seen corresponding path program 4 times [2021-10-13 00:35:35,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:35,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214797092] [2021-10-13 00:35:35,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:35,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:35,634 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-13 00:35:35,634 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:35:35,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214797092] [2021-10-13 00:35:35,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214797092] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:35:35,634 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:35:35,635 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 00:35:35,635 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95166294] [2021-10-13 00:35:35,635 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 00:35:35,635 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:35:35,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:35:35,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:35:35,636 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) [2021-10-13 00:35:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:35:35,645 INFO L93 Difference]: Finished difference Result 51 states and 63 transitions. [2021-10-13 00:35:35,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:35:35,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2021-10-13 00:35:35,647 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-13 00:35:35,647 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 39 states and 47 transitions. [2021-10-13 00:35:35,648 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-10-13 00:35:35,648 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:35:35,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 47 transitions. [2021-10-13 00:35:35,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:35,648 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 47 transitions. [2021-10-13 00:35:35,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 47 transitions. [2021-10-13 00:35:35,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 33. [2021-10-13 00:35:35,650 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) [2021-10-13 00:35:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2021-10-13 00:35:35,651 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-13 00:35:35,651 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2021-10-13 00:35:35,651 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-13 00:35:35,655 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2021-10-13 00:35:35,656 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2021-10-13 00:35:35,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:35,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:35,656 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:35,657 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 3, 2] [2021-10-13 00:35:35,657 INFO L791 eck$LassoCheckResult]: Stem: 1725#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 1727#L15-2 assume !!(main_~c~0 > 0); 1745#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1740#L15-2 assume !!(main_~c~0 > 0); 1736#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 1732#L15-2 [2021-10-13 00:35:35,657 INFO L793 eck$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 [2021-10-13 00:35:35,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,657 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 5 times [2021-10-13 00:35:35,658 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:35,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335465556] [2021-10-13 00:35:35,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:35,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,666 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:35,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,672 INFO L82 PathProgramCache]: Analyzing trace with hash 2007111828, now seen corresponding path program 5 times [2021-10-13 00:35:35,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:35,672 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704312944] [2021-10-13 00:35:35,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:35,672 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,693 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,701 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:35,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:35,702 INFO L82 PathProgramCache]: Analyzing trace with hash -254222659, now seen corresponding path program 8 times [2021-10-13 00:35:35,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:35,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033344256] [2021-10-13 00:35:35,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:35,703 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,718 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:35,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:35,728 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:35,818 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:35,818 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:35,818 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:35,818 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:35,818 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:35,819 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,819 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:35,819 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:35,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2021-10-13 00:35:35,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:35,819 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:35,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:35,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:35,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:35,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:35,871 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:35,871 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:35,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:35,873 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:35,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:35,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:35,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 00:35:35,904 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:35,904 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: [] [2021-10-13 00:35:35,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:35,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:35,937 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:35,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 00:35:35,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:35,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:35,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:35,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:35,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:35,970 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:35,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 00:35:35,971 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:35,971 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:36,432 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:36,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-13 00:35:36,436 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:36,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:36,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:36,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:36,436 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:36,436 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:36,436 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:36,436 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:36,436 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration10_Loop [2021-10-13 00:35:36,436 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:36,436 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:36,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:36,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:36,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:36,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:36,496 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:36,496 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:36,497 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:36,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:36,498 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:36,512 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 [2021-10-13 00:35:36,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:36,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:36,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:36,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:36,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:36,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:36,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 00:35:36,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:36,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-13 00:35:36,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:36,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:36,564 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:36,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 00:35:36,565 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 [2021-10-13 00:35:36,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:36,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:36,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:36,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:36,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:36,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:36,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:36,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:36,600 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:36,600 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:36,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:36,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:36,601 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:36,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 00:35:36,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:36,602 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:36,602 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:36,602 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:36,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:36,630 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:36,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:36,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:36,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:36,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:35:36,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:36,783 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:36,783 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 [2021-10-13 00:35:36,783 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) [2021-10-13 00:35:36,790 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. [2021-10-13 00:35:36,791 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 [2021-10-13 00:35:36,791 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) [2021-10-13 00:35:36,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:36,792 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-13 00:35:36,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:36,792 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:36,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:36,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:36,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:36,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:35:36,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:36,964 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 [2021-10-13 00:35:36,964 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) [2021-10-13 00:35:36,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:36,969 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. [2021-10-13 00:35:36,969 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 [2021-10-13 00:35:36,971 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) [2021-10-13 00:35:36,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:36,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-13 00:35:36,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:36,972 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:36,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:36,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:36,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:37,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:35:37,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:37,127 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 [2021-10-13 00:35:37,128 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) [2021-10-13 00:35:37,136 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. [2021-10-13 00:35:37,136 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 [2021-10-13 00:35:37,137 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) [2021-10-13 00:35:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:37,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-13 00:35:37,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:37,139 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:37,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:37,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:37,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:37,169 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:35:37,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:37,262 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:37,263 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 [2021-10-13 00:35:37,263 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) [2021-10-13 00:35:37,295 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. [2021-10-13 00:35:37,295 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 [2021-10-13 00:35:37,296 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) [2021-10-13 00:35:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-13 00:35:37,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-13 00:35:37,297 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:37,297 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:37,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:37,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:37,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 00:35:37,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:37,436 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:37,437 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 [2021-10-13 00:35:37,437 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) [2021-10-13 00:35:37,479 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,480 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,480 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,481 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,482 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,514 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,514 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,514 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:37,523 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 [2021-10-13 00:35:37,524 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 [2021-10-13 00:35:37,524 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) [2021-10-13 00:35:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2021-10-13 00:35:37,525 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 10 letters. [2021-10-13 00:35:37,526 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:37,526 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 10 letters. [2021-10-13 00:35:37,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:37,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 5 letters. Loop has 20 letters. [2021-10-13 00:35:37,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:37,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 404 states and 547 transitions. [2021-10-13 00:35:37,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2021-10-13 00:35:37,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 404 states to 145 states and 187 transitions. [2021-10-13 00:35:37,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-10-13 00:35:37,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2021-10-13 00:35:37,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 187 transitions. [2021-10-13 00:35:37,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:37,539 INFO L681 BuchiCegarLoop]: Abstraction has 145 states and 187 transitions. [2021-10-13 00:35:37,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 187 transitions. [2021-10-13 00:35:37,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 96. [2021-10-13 00:35:37,545 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) [2021-10-13 00:35:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 129 transitions. [2021-10-13 00:35:37,546 INFO L704 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-10-13 00:35:37,547 INFO L587 BuchiCegarLoop]: Abstraction has 96 states and 129 transitions. [2021-10-13 00:35:37,547 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-13 00:35:37,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 129 transitions. [2021-10-13 00:35:37,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2021-10-13 00:35:37,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:37,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:37,548 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:37,549 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 4, 3] [2021-10-13 00:35:37,549 INFO L791 eck$LassoCheckResult]: Stem: 2718#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 2721#L15-2 assume !!(main_~c~0 > 0); 2753#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2742#L15-2 assume !!(main_~c~0 > 0); 2730#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 2727#L15-2 [2021-10-13 00:35:37,549 INFO L793 eck$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 [2021-10-13 00:35:37,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:37,549 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 6 times [2021-10-13 00:35:37,550 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:37,550 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145578117] [2021-10-13 00:35:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:37,550 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:37,555 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:37,558 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:37,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:37,559 INFO L82 PathProgramCache]: Analyzing trace with hash 822111324, now seen corresponding path program 6 times [2021-10-13 00:35:37,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:37,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890139032] [2021-10-13 00:35:37,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:37,559 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:37,566 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:37,572 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:37,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:37,573 INFO L82 PathProgramCache]: Analyzing trace with hash 128316933, now seen corresponding path program 9 times [2021-10-13 00:35:37,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:37,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106485233] [2021-10-13 00:35:37,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:37,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:37,581 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:37,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:37,704 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:37,705 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:37,705 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:37,705 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:37,705 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:37,705 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:37,705 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:37,705 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:37,705 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2021-10-13 00:35:37,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:37,706 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:37,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:37,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:37,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:37,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:37,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:37,784 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:37,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:37,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:37,788 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:37,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:37,792 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:37,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 00:35:37,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-13 00:35:37,821 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:37,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:37,821 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:37,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 00:35:37,823 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:37,824 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:38,174 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:38,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:38,178 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:38,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:38,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:38,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:38,178 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:38,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:38,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:38,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:38,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration11_Loop [2021-10-13 00:35:38,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:38,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:38,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:38,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:38,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:38,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:38,229 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:38,229 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:38,229 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:38,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:38,231 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:38,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 00:35:38,233 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 [2021-10-13 00:35:38,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:38,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:38,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:38,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:38,246 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:38,246 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:38,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:38,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-13 00:35:38,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:38,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:38,269 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:38,274 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 [2021-10-13 00:35:38,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:38,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:38,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:38,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:38,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:38,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 00:35:38,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:38,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:38,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:38,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:38,346 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:38,352 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 [2021-10-13 00:35:38,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:38,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:38,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:38,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:38,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:38,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:38,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:38,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 00:35:38,370 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:38,372 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 00:35:38,372 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:35:38,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:38,373 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:38,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 00:35:38,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:38,374 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:38,374 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:38,374 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:38,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-13 00:35:38,394 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:38,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:38,574 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 [2021-10-13 00:35:38,575 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) [2021-10-13 00:35:38,580 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. [2021-10-13 00:35:38,580 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 [2021-10-13 00:35:38,580 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) [2021-10-13 00:35:38,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:38,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-13 00:35:38,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:38,581 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:38,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:38,745 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 [2021-10-13 00:35:38,745 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) [2021-10-13 00:35:38,753 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. [2021-10-13 00:35:38,753 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 [2021-10-13 00:35:38,753 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) [2021-10-13 00:35:38,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:38,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-13 00:35:38,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:38,754 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:38,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,769 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:38,923 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 [2021-10-13 00:35:38,923 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) [2021-10-13 00:35:38,933 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. [2021-10-13 00:35:38,934 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 [2021-10-13 00:35:38,934 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) [2021-10-13 00:35:38,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:38,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-13 00:35:38,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:38,935 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:38,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:38,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:38,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:35:38,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:39,106 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:39,106 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 [2021-10-13 00:35:39,107 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) [2021-10-13 00:35:39,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:39,188 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. [2021-10-13 00:35:39,189 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 [2021-10-13 00:35:39,189 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) [2021-10-13 00:35:39,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-13 00:35:39,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-13 00:35:39,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:39,190 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:39,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:39,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:39,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:39,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 00:35:39,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:39,369 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 [2021-10-13 00:35:39,369 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) [2021-10-13 00:35:39,419 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,419 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,419 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,420 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,420 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,422 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,422 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,422 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,423 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,424 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,424 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,425 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,465 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,466 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,467 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,467 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,467 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,469 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,469 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,470 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,470 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,471 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,471 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,471 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,471 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,473 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,473 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,474 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,475 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,475 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,475 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,475 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,476 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,518 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,519 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,522 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,524 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,524 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,524 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,524 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:39,559 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 [2021-10-13 00:35:39,560 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 [2021-10-13 00:35:39,560 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) [2021-10-13 00:35:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 39 transitions. [2021-10-13 00:35:39,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 14 letters. [2021-10-13 00:35:39,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:39,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 19 letters. Loop has 14 letters. [2021-10-13 00:35:39,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:39,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 39 transitions. Stem has 5 letters. Loop has 28 letters. [2021-10-13 00:35:39,567 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:39,567 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1787 states and 2714 transitions. [2021-10-13 00:35:39,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 33 [2021-10-13 00:35:39,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1787 states to 471 states and 636 transitions. [2021-10-13 00:35:39,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-13 00:35:39,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 00:35:39,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 471 states and 636 transitions. [2021-10-13 00:35:39,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:39,590 INFO L681 BuchiCegarLoop]: Abstraction has 471 states and 636 transitions. [2021-10-13 00:35:39,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states and 636 transitions. [2021-10-13 00:35:39,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 260. [2021-10-13 00:35:39,604 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) [2021-10-13 00:35:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 376 transitions. [2021-10-13 00:35:39,606 INFO L704 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2021-10-13 00:35:39,606 INFO L587 BuchiCegarLoop]: Abstraction has 260 states and 376 transitions. [2021-10-13 00:35:39,606 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-13 00:35:39,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 260 states and 376 transitions. [2021-10-13 00:35:39,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2021-10-13 00:35:39,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:39,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:39,609 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:39,609 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [9, 5, 4] [2021-10-13 00:35:39,609 INFO L791 eck$LassoCheckResult]: Stem: 5631#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 5634#L15-2 assume !!(main_~c~0 > 0); 5680#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5650#L15-2 assume !!(main_~c~0 > 0); 5647#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 5644#L15-2 [2021-10-13 00:35:39,609 INFO L793 eck$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 [2021-10-13 00:35:39,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:39,610 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 7 times [2021-10-13 00:35:39,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:39,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982182741] [2021-10-13 00:35:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:39,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:39,615 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:39,618 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:39,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:39,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1476420572, now seen corresponding path program 7 times [2021-10-13 00:35:39,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:39,619 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20483659] [2021-10-13 00:35:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:39,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:39,626 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:39,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:39,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:39,633 INFO L82 PathProgramCache]: Analyzing trace with hash 939927885, now seen corresponding path program 10 times [2021-10-13 00:35:39,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:39,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098660365] [2021-10-13 00:35:39,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:39,633 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:39,663 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:39,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:39,833 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:39,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:39,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:39,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:39,833 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:39,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:39,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:39,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:39,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2021-10-13 00:35:39,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:39,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:39,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:39,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:39,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:39,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:39,889 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:39,889 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:39,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:39,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:39,892 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:39,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:39,897 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:39,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 00:35:39,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:39,928 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: [] [2021-10-13 00:35:39,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:39,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:39,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:39,965 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:39,967 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:39,967 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:39,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 00:35:40,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:40,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:40,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:40,021 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:40,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:40,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:40,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 00:35:40,062 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:40,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:40,065 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:40,065 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:40,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:40,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:40,065 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:40,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:40,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:40,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:40,066 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration12_Loop [2021-10-13 00:35:40,066 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:40,066 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:40,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:40,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:40,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:40,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:40,119 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:40,119 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:40,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:40,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:40,120 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:40,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 00:35:40,129 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 [2021-10-13 00:35:40,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:40,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:40,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:40,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:40,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:40,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:40,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:40,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:40,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:40,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:40,164 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:40,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 00:35:40,165 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 [2021-10-13 00:35:40,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:40,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:40,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:40,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:40,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:40,175 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:40,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:40,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-10-13 00:35:40,198 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:40,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:40,198 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:40,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 00:35:40,201 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 [2021-10-13 00:35:40,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:40,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:40,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:40,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:40,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:40,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:40,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:40,211 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:40,213 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 00:35:40,213 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:35:40,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:40,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:40,214 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:40,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 00:35:40,215 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:40,215 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:40,215 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:40,215 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:40,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:40,235 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:40,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,464 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:40,464 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 [2021-10-13 00:35:40,464 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) [2021-10-13 00:35:40,471 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. [2021-10-13 00:35:40,472 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 [2021-10-13 00:35:40,472 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) [2021-10-13 00:35:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:40,472 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-13 00:35:40,473 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:40,473 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:40,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:40,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,694 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:40,694 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 [2021-10-13 00:35:40,695 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) [2021-10-13 00:35:40,700 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. [2021-10-13 00:35:40,700 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 [2021-10-13 00:35:40,700 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) [2021-10-13 00:35:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:40,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-13 00:35:40,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:40,701 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:40,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:40,949 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:40,949 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 [2021-10-13 00:35:40,949 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) [2021-10-13 00:35:40,958 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. [2021-10-13 00:35:40,958 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 [2021-10-13 00:35:40,958 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) [2021-10-13 00:35:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:40,959 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-13 00:35:40,959 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:40,959 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:40,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:35:40,998 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:41,159 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:41,159 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 [2021-10-13 00:35:41,159 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) [2021-10-13 00:35:41,192 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. [2021-10-13 00:35:41,193 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 [2021-10-13 00:35:41,193 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) [2021-10-13 00:35:41,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-13 00:35:41,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-13 00:35:41,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:41,194 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:41,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:41,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:41,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:41,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:41,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 00:35:41,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:41,421 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:41,422 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 [2021-10-13 00:35:41,422 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) [2021-10-13 00:35:41,476 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,476 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,476 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,477 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,478 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,478 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,479 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,479 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,479 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,480 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,480 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,480 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,481 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,481 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,482 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,482 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,482 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,483 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,484 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,484 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,485 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,485 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,485 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,486 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,486 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,487 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,487 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,487 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,529 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,531 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,531 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,531 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,532 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,533 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,536 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,536 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,541 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,542 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,543 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,543 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,544 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,544 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,545 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,545 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,546 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,546 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,546 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,546 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,547 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,548 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,548 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,549 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,549 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,549 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,549 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,550 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,611 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,612 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,613 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,614 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,616 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,616 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,617 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,619 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,620 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,621 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,622 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,623 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,623 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,623 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,624 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,625 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,626 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,628 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,628 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,628 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,630 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,630 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,630 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,630 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,631 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,631 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,631 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,631 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,632 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,633 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,637 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,638 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,720 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,720 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,721 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,722 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,725 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,725 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,725 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,726 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,726 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,726 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,727 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,727 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,727 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,727 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,728 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,730 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,731 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,732 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,732 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,733 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,733 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,734 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,735 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,736 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,737 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,738 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,739 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,740 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,741 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,742 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:41,780 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 [2021-10-13 00:35:41,781 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 [2021-10-13 00:35:41,781 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) [2021-10-13 00:35:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 49 transitions. [2021-10-13 00:35:41,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 18 letters. [2021-10-13 00:35:41,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:41,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 23 letters. Loop has 18 letters. [2021-10-13 00:35:41,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:41,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 49 transitions. Stem has 5 letters. Loop has 36 letters. [2021-10-13 00:35:41,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:41,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5484 states and 8953 transitions. [2021-10-13 00:35:41,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 42 [2021-10-13 00:35:41,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5484 states to 1391 states and 1971 transitions. [2021-10-13 00:35:41,850 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-13 00:35:41,850 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-13 00:35:41,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1391 states and 1971 transitions. [2021-10-13 00:35:41,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:41,851 INFO L681 BuchiCegarLoop]: Abstraction has 1391 states and 1971 transitions. [2021-10-13 00:35:41,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states and 1971 transitions. [2021-10-13 00:35:41,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 660. [2021-10-13 00:35:41,872 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) [2021-10-13 00:35:41,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1049 transitions. [2021-10-13 00:35:41,875 INFO L704 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2021-10-13 00:35:41,875 INFO L587 BuchiCegarLoop]: Abstraction has 660 states and 1049 transitions. [2021-10-13 00:35:41,875 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-13 00:35:41,875 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 660 states and 1049 transitions. [2021-10-13 00:35:41,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 25 [2021-10-13 00:35:41,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:41,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:41,880 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:41,880 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [11, 6, 5] [2021-10-13 00:35:41,880 INFO L791 eck$LassoCheckResult]: Stem: 13384#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 13389#L15-2 assume !!(main_~c~0 > 0); 13475#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13411#L15-2 assume !!(main_~c~0 > 0); 13408#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 13405#L15-2 [2021-10-13 00:35:41,880 INFO L793 eck$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 [2021-10-13 00:35:41,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:41,881 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 8 times [2021-10-13 00:35:41,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:41,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872177845] [2021-10-13 00:35:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:41,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:41,895 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:41,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:41,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:41,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:41,899 INFO L82 PathProgramCache]: Analyzing trace with hash 684828652, now seen corresponding path program 8 times [2021-10-13 00:35:41,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:41,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206105132] [2021-10-13 00:35:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:41,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:41,907 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:41,914 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:41,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:41,915 INFO L82 PathProgramCache]: Analyzing trace with hash 185301141, now seen corresponding path program 11 times [2021-10-13 00:35:41,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:41,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605640060] [2021-10-13 00:35:41,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:41,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:41,924 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:41,931 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:42,143 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:42,144 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:42,144 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:42,144 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:42,144 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:42,144 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,144 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:42,144 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:42,144 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2021-10-13 00:35:42,144 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:42,144 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:42,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:42,197 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:42,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,198 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:42,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:42,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 00:35:42,224 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:42,224 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: [] [2021-10-13 00:35:42,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:42,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,259 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,261 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:42,262 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:42,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 00:35:42,288 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:35:42,288 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: [] [2021-10-13 00:35:42,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:42,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,320 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 00:35:42,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:42,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:42,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:42,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,350 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 00:35:42,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:42,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:42,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:42,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:42,386 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:42,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:42,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:42,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:42,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:42,386 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,386 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:42,386 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:42,386 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration13_Loop [2021-10-13 00:35:42,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:42,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:42,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:42,437 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:42,437 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:42,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,438 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-13 00:35:42,442 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 [2021-10-13 00:35:42,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:42,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:42,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:42,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:42,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:42,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:42,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:42,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:42,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,473 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-13 00:35:42,474 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 [2021-10-13 00:35:42,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:42,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:42,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:42,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:42,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:42,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:42,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:42,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-13 00:35:42,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,505 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-13 00:35:42,506 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 [2021-10-13 00:35:42,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:42,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:42,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:42,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:42,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:42,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:42,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:42,516 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:42,518 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:35:42,518 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:35:42,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:42,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:42,519 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:42,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-13 00:35:42,520 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:42,520 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:42,520 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:42,520 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0) = 1*ULTIMATE.start_main_~n~0 Supporting invariants [] [2021-10-13 00:35:42,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:42,540 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:42,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:42,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:42,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:42,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:35:42,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:42,814 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:42,814 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 [2021-10-13 00:35:42,815 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) [2021-10-13 00:35:42,822 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. [2021-10-13 00:35:42,823 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 [2021-10-13 00:35:42,824 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) [2021-10-13 00:35:42,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:42,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-13 00:35:42,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:42,824 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:42,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:42,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:42,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:42,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:35:42,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:43,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:43,138 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 [2021-10-13 00:35:43,138 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) [2021-10-13 00:35:43,146 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. [2021-10-13 00:35:43,147 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 [2021-10-13 00:35:43,147 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) [2021-10-13 00:35:43,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:43,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-13 00:35:43,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:43,147 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:43,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:43,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:43,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:43,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:35:43,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:43,434 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 [2021-10-13 00:35:43,434 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) [2021-10-13 00:35:43,446 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. [2021-10-13 00:35:43,447 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 [2021-10-13 00:35:43,447 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) [2021-10-13 00:35:43,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2021-10-13 00:35:43,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-13 00:35:43,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:43,448 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:43,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:43,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:43,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:43,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:35:43,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:43,731 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:43,731 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 [2021-10-13 00:35:43,731 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) [2021-10-13 00:35:43,773 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. [2021-10-13 00:35:43,773 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 [2021-10-13 00:35:43,774 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) [2021-10-13 00:35:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2021-10-13 00:35:43,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-13 00:35:43,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:43,774 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:43,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:43,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:43,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:43,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 00:35:43,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 50 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:35:44,062 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 [2021-10-13 00:35:44,062 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) [2021-10-13 00:35:44,136 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,136 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,137 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,137 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,138 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,138 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,139 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,139 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,139 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,140 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,140 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,140 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,140 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,140 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,141 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,141 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,142 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,142 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,142 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,143 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,144 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,144 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,145 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,145 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,146 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,146 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,147 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,147 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,147 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,148 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,149 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,150 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,150 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,151 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,152 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,152 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,152 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,153 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,154 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,155 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,156 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,157 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,206 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,206 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,206 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,207 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,208 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,210 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,212 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,213 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,213 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,213 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,213 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,213 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,214 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,214 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,214 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,214 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,214 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,215 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,217 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,219 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,220 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,221 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,222 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,223 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,224 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,224 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,225 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,226 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,227 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,227 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,228 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,228 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,228 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,228 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,228 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,229 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,230 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,230 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,231 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,232 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,233 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,234 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,235 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,236 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,237 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,238 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,239 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,239 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,239 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,239 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,239 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,239 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,240 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,240 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,241 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,242 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,243 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,243 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,244 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,245 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,320 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,320 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,320 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,320 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,321 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,321 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,323 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,323 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,323 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,323 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,323 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,324 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,325 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,326 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,326 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,326 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,326 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,326 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,329 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,329 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,329 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,330 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,330 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,330 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,330 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,330 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,331 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,331 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,331 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,331 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,331 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,332 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,332 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,332 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,332 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,332 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,333 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,333 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,333 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,333 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,333 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,333 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,334 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,334 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,334 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,334 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,334 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,335 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,336 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,337 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,339 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,340 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,341 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,342 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,342 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,342 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,342 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,342 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,343 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,344 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,345 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,346 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,346 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,347 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,348 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,348 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,349 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,350 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,350 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,350 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,351 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,351 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,351 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,352 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,353 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,353 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,353 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,353 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,353 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,354 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,354 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,355 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,355 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,355 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,356 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,356 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,357 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,358 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,358 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,358 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,359 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,359 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,360 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,360 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,360 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,360 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,360 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,361 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,362 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,362 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,363 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,363 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,363 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,364 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,364 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,365 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,366 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,366 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,366 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,366 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,366 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,367 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,367 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,367 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,367 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,367 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,368 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,368 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,368 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,368 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,368 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,369 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,370 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,370 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,370 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,370 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,371 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,371 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,371 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,372 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,372 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,372 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,373 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,374 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,374 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,374 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,374 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,374 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,375 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,375 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,375 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,492 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,492 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,493 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,495 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,496 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,496 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,496 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,498 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,499 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,501 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,502 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,502 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,502 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,502 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,502 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,503 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,504 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,505 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,506 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,508 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,508 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,508 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,508 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,509 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,511 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,511 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,511 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,511 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,511 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,512 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,512 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,512 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,512 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,512 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,513 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,514 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,514 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,514 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,515 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,516 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,517 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,518 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,519 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,520 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,521 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,522 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,523 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,524 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,525 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,526 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,527 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,528 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,529 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,529 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,529 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,530 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,530 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,531 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,532 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,532 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,532 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,533 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,533 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,533 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,534 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,535 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,536 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,537 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,538 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,539 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,540 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,541 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,541 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,634 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,635 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,636 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,639 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,640 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,641 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,654 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,654 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,655 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,656 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,656 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,656 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,656 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,657 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,657 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,657 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,657 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,657 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,658 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,658 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,658 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,658 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,659 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,659 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,659 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,659 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,661 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,661 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,661 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,661 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,662 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,662 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,663 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,663 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,663 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,663 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,665 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,666 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,666 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,666 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,666 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,667 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,669 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,669 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,669 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,669 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,670 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,670 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,670 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,670 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,671 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,671 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,671 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,671 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,671 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,672 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,672 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,672 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,672 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,673 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,673 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,674 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,675 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,675 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,675 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,675 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,676 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,676 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,678 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,678 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,678 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,679 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,679 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,679 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,681 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,681 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,682 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,682 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,682 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,682 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,683 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,683 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,683 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,683 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,684 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,684 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,684 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,684 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,685 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,685 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,685 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,685 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,686 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,686 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,687 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,687 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,688 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,688 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,688 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,689 WARN L278 uchiComplementFKVNwa]: big8 [2021-10-13 00:35:44,756 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 [2021-10-13 00:35:44,757 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 [2021-10-13 00:35:44,757 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) [2021-10-13 00:35:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2021-10-13 00:35:44,757 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 22 letters. [2021-10-13 00:35:44,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:44,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 27 letters. Loop has 22 letters. [2021-10-13 00:35:44,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:44,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 5 letters. Loop has 44 letters. [2021-10-13 00:35:44,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:44,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14845 states and 25888 transitions. [2021-10-13 00:35:44,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 51 [2021-10-13 00:35:44,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14845 states to 3699 states and 5622 transitions. [2021-10-13 00:35:44,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 00:35:44,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:35:44,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3699 states and 5622 transitions. [2021-10-13 00:35:44,938 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 00:35:44,939 INFO L681 BuchiCegarLoop]: Abstraction has 3699 states and 5622 transitions. [2021-10-13 00:35:44,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states and 5622 transitions. [2021-10-13 00:35:45,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 1604. [2021-10-13 00:35:45,036 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) [2021-10-13 00:35:45,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 2868 transitions. [2021-10-13 00:35:45,040 INFO L704 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2021-10-13 00:35:45,041 INFO L587 BuchiCegarLoop]: Abstraction has 1604 states and 2868 transitions. [2021-10-13 00:35:45,041 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-13 00:35:45,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1604 states and 2868 transitions. [2021-10-13 00:35:45,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 29 [2021-10-13 00:35:45,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:35:45,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:35:45,050 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1] [2021-10-13 00:35:45,050 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [13, 7, 6] [2021-10-13 00:35:45,050 INFO L791 eck$LassoCheckResult]: Stem: 33134#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~c~0, main_~n~0;havoc main_~c~0;havoc main_~n~0;main_~c~0 := 1;main_~n~0 := main_#t~nondet0;havoc main_#t~nondet0; 33152#L15-2 assume !!(main_~c~0 > 0); 33390#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33178#L15-2 assume !!(main_~c~0 > 0); 33175#L15 assume !(main_~n~0 > 100);main_~n~0 := 11 + main_~n~0;main_~c~0 := 1 + main_~c~0; 33171#L15-2 [2021-10-13 00:35:45,052 INFO L793 eck$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 [2021-10-13 00:35:45,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:45,052 INFO L82 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 9 times [2021-10-13 00:35:45,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:45,053 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044073474] [2021-10-13 00:35:45,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:45,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:45,059 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:45,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:45,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:45,073 INFO L82 PathProgramCache]: Analyzing trace with hash -1767338060, now seen corresponding path program 9 times [2021-10-13 00:35:45,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:45,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507023044] [2021-10-13 00:35:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:45,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:45,086 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:45,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:45,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:45,097 INFO L82 PathProgramCache]: Analyzing trace with hash 818406365, now seen corresponding path program 12 times [2021-10-13 00:35:45,097 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:35:45,098 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538776659] [2021-10-13 00:35:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:35:45,098 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:35:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:45,108 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:35:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:35:45,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:35:45,382 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:45,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:45,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:45,383 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:45,383 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:35:45,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:45,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:45,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2021-10-13 00:35:45,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:45,383 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:45,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:45,435 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:35:45,435 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:45,436 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:45,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:35:45,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:45,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-13 00:35:45,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:45,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:45,509 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:45,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:35:45,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:35:45,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-13 00:35:45,576 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:35:45,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:45,579 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:35:45,579 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:35:45,579 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:35:45,580 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:35:45,580 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:35:45,580 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,580 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:35:45,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:35:45,580 INFO L133 ssoRankerPreferences]: Filename of dumped script: McCarthy91_Iteration.c_Iteration14_Loop [2021-10-13 00:35:45,580 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:35:45,580 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:35:45,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:35:45,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:35:45,634 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:35:45,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:45,636 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:45,637 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 [2021-10-13 00:35:45,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:45,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:45,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:45,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:45,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-13 00:35:45,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:35:45,649 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:35:45,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:35:45,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:45,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:45,671 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:45,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-13 00:35:45,672 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 [2021-10-13 00:35:45,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:35:45,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:35:45,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:35:45,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:35:45,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:35:45,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:35:45,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:35:45,682 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:35:45,683 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-13 00:35:45,683 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-13 00:35:45,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:35:45,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:35:45,684 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:35:45,685 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:35:45,686 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:35:45,686 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:35:45,686 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0) = 1*ULTIMATE.start_main_~c~0 Supporting invariants [] [2021-10-13 00:35:45,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-13 00:35:45,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:45,705 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:35:45,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:45,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:45,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:45,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:35:45,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:45,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 00:35:46,005 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 [2021-10-13 00:35:46,005 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) [2021-10-13 00:35:46,018 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. [2021-10-13 00:35:46,019 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 [2021-10-13 00:35:46,019 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) [2021-10-13 00:35:46,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:46,019 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-13 00:35:46,020 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:46,020 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:46,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:46,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:46,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:46,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:35:46,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:46,226 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 00:35:46,226 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 [2021-10-13 00:35:46,227 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) [2021-10-13 00:35:46,243 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. [2021-10-13 00:35:46,244 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 [2021-10-13 00:35:46,244 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) [2021-10-13 00:35:46,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 4 transitions. [2021-10-13 00:35:46,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 4 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-13 00:35:46,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:46,245 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:46,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:46,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:46,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:46,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:35:46,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 00:35:46,473 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 [2021-10-13 00:35:46,473 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) [2021-10-13 00:35:46,499 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. [2021-10-13 00:35:46,499 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 [2021-10-13 00:35:46,499 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) [2021-10-13 00:35:46,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2021-10-13 00:35:46,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-13 00:35:46,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:46,500 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 00:35:46,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:35:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:46,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:35:46,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:35:46,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-13 00:35:46,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:35:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-13 00:35:46,734 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 [2021-10-13 00:35:46,734 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) [2021-10-13 00:35:46,783 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. [2021-10-13 00:35:46,784 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 [2021-10-13 00:35:46,784 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) [2021-10-13 00:35:46,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 13 transitions. [2021-10-13 00:35:46,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 26 letters. [2021-10-13 00:35:46,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:46,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 31 letters. Loop has 26 letters. [2021-10-13 00:35:46,785 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:46,785 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 13 transitions. Stem has 5 letters. Loop has 52 letters. [2021-10-13 00:35:46,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:35:46,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3111 states and 5286 transitions. [2021-10-13 00:35:46,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:35:46,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3111 states to 0 states and 0 transitions. [2021-10-13 00:35:46,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:35:46,805 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:35:46,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:35:46,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:35:46,805 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:35:46,805 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:35:46,805 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:35:46,805 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-13 00:35:46,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:35:46,806 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:35:46,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:35:46,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:35:46 BoogieIcfgContainer [2021-10-13 00:35:46,814 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:35:46,815 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:35:46,815 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:35:46,815 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:35:46,816 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:35:27" (3/4) ... [2021-10-13 00:35:46,819 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:35:46,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:35:46,820 INFO L168 Benchmark]: Toolchain (without parser) took 19629.35 ms. Allocated memory was 96.5 MB in the beginning and 209.7 MB in the end (delta: 113.2 MB). Free memory was 61.2 MB in the beginning and 67.4 MB in the end (delta: -6.2 MB). Peak memory consumption was 106.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:46,821 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 69.7 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:35:46,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.02 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 61.0 MB in the beginning and 96.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:46,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.79 ms. Allocated memory is still 119.5 MB. Free memory was 96.3 MB in the beginning and 95.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:35:46,822 INFO L168 Benchmark]: Boogie Preprocessor took 21.29 ms. Allocated memory is still 119.5 MB. Free memory was 95.1 MB in the beginning and 94.2 MB in the end (delta: 881.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:46,823 INFO L168 Benchmark]: RCFGBuilder took 256.88 ms. Allocated memory is still 119.5 MB. Free memory was 94.2 MB in the beginning and 86.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:46,823 INFO L168 Benchmark]: BuchiAutomizer took 19087.17 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 86.7 MB in the beginning and 67.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 16.1 GB. [2021-10-13 00:35:46,824 INFO L168 Benchmark]: Witness Printer took 4.11 ms. Allocated memory is still 209.7 MB. Free memory is still 67.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:35:46,831 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory was 69.7 MB in the beginning and 69.7 MB in the end (delta: 30.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 210.02 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 61.0 MB in the beginning and 96.3 MB in the end (delta: -35.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.79 ms. Allocated memory is still 119.5 MB. Free memory was 96.3 MB in the beginning and 95.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.29 ms. Allocated memory is still 119.5 MB. Free memory was 95.1 MB in the beginning and 94.2 MB in the end (delta: 881.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 256.88 ms. Allocated memory is still 119.5 MB. Free memory was 94.2 MB in the beginning and 86.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 19087.17 ms. Allocated memory was 119.5 MB in the beginning and 209.7 MB in the end (delta: 90.2 MB). Free memory was 86.7 MB in the beginning and 67.4 MB in the end (delta: 19.2 MB). Peak memory consumption was 111.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.11 ms. Allocated memory is still 209.7 MB. Free memory is still 67.4 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 19.0s and 15 iterations. TraceHistogramMax:13. Analysis of lassos took 9.3s. Construction of modules took 0.3s. Büchi inclusion checks took 8.5s. Highest rank in rank-based complementation 7. Minimization of det autom 1. Minimization of nondet autom 16. Automata minimization 191.7ms AutomataMinimizationTime, 16 MinimizatonAttempts, 3169 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.3s Buchi closure took 0.0s. Biggest automaton had 1604 states and ocurred in iteration 13. Nontrivial modules had stage [4, 0, 3, 1, 5]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 254/414 HoareTripleCheckerStatistics: 213 SDtfs, 239 SDslu, 127 SDs, 0 SdLazy, 380 SolverSat, 137 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 379.4ms 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: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 11 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 13 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:35:46,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:47,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2021-10-13 00:35:47,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_68919bc2-eb8f-4388-9cd7-5b833664e6ef/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...