./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC --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 bc157475d6c321934f68f6b441d83c0582720461 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:26:47,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:26:47,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:26:47,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:26:47,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:26:47,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:26:47,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:26:47,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:26:47,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:26:47,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:26:47,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:26:47,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:26:47,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:26:47,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:26:47,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:26:47,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:26:47,219 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:26:47,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:26:47,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:26:47,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:26:47,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:26:47,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:26:47,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:26:47,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:26:47,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:26:47,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:26:47,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:26:47,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:26:47,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:26:47,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:26:47,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:26:47,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:26:47,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:26:47,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:26:47,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:26:47,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:26:47,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:26:47,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:26:47,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:26:47,274 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:26:47,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:26:47,278 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-11 00:26:47,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:26:47,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:26:47,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:26:47,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:26:47,323 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:26:47,323 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:26:47,323 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:26:47,324 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:26:47,324 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:26:47,324 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:26:47,324 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:26:47,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:26:47,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:26:47,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:26:47,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:26:47,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:26:47,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:26:47,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:26:47,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:26:47,327 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:26:47,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:26:47,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:26:47,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:26:47,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:26:47,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:26:47,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:26:47,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:26:47,330 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:26:47,330 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_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2021-10-11 00:26:47,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:26:47,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:26:47,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:26:47,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:26:47,695 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:26:47,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-11 00:26:47,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/data/1f076f52a/ac4ca0a7ef7245b085710ab7130da8a6/FLAG57897d08c [2021-10-11 00:26:48,348 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:26:48,348 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-11 00:26:48,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/data/1f076f52a/ac4ca0a7ef7245b085710ab7130da8a6/FLAG57897d08c [2021-10-11 00:26:48,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/data/1f076f52a/ac4ca0a7ef7245b085710ab7130da8a6 [2021-10-11 00:26:48,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:26:48,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:26:48,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:48,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:26:48,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:26:48,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:48,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302f5311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48, skipping insertion in model container [2021-10-11 00:26:48,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:48,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:26:48,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:26:48,938 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:48,943 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:26:48,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:26:48,975 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:26:48,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48 WrapperNode [2021-10-11 00:26:48,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:26:48,981 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:48,981 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:26:48,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:26:48,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:48,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:26:49,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:26:49,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:26:49,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:26:49,029 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... [2021-10-11 00:26:49,046 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:26:49,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:26:49,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:26:49,048 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:26:49,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:49,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:26:49,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:26:49,306 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:26:49,306 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-11 00:26:49,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:49 BoogieIcfgContainer [2021-10-11 00:26:49,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:26:49,309 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:26:49,309 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:26:49,313 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:26:49,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:49,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:26:48" (1/3) ... [2021-10-11 00:26:49,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2df28fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:26:49, skipping insertion in model container [2021-10-11 00:26:49,316 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:49,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:26:48" (2/3) ... [2021-10-11 00:26:49,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2df28fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:26:49, skipping insertion in model container [2021-10-11 00:26:49,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:26:49,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:49" (3/3) ... [2021-10-11 00:26:49,319 INFO L389 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-11 00:26:49,375 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:26:49,375 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:26:49,376 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:26:49,376 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:26:49,376 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:26:49,376 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:26:49,376 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:26:49,376 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:26:49,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2021-10-11 00:26:49,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:26:49,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:49,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:49,413 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:26:49,414 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:26:49,414 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:26:49,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2021-10-11 00:26:49,415 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:26:49,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:49,416 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:49,416 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:26:49,416 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:26:49,425 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2021-10-11 00:26:49,425 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2021-10-11 00:26:49,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:49,433 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-11 00:26:49,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:49,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666843233] [2021-10-11 00:26:49,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:49,519 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:49,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:49,541 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:49,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:49,543 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2021-10-11 00:26:49,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:49,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697094171] [2021-10-11 00:26:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:49,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:49,608 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:49,613 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:49,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:49,618 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2021-10-11 00:26:49,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:49,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057820462] [2021-10-11 00:26:49,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:49,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:49,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057820462] [2021-10-11 00:26:49,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:49,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-11 00:26:49,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839681685] [2021-10-11 00:26:49,885 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:49,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:49,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:49,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:49,887 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:26:49,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:49,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:49,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:49,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-10-11 00:26:49,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:49,889 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:49,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:49,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:49,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:50,118 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2021-10-11 00:26:50,190 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:50,191 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:50,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:50,204 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:50,277 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:26:50,277 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,449 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:26:51,454 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:51,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:51,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:51,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:51,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:26:51,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,455 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:51,455 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:51,455 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-10-11 00:26:51,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:51,456 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:51,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:51,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:51,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:51,591 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:51,597 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:51,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:51,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:51,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:51,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:51,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:51,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:51,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:51,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,632 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:51,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:51,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:51,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:51,682 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:51,683 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:51,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:51,685 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:51,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,707 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:51,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:51,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:51,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:51,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:51,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:51,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:51,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:51,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:51,814 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:51,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:51,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:51,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:51,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:51,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:51,827 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:51,835 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:51,836 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,855 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:51,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:51,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:51,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:51,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:51,906 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:51,906 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:51,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:51,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:51,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:51,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:51,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:51,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:51,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:51,966 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:51,968 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:51,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:51,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:52,020 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:52,031 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,031 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:52,037 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:52,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,051 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:52,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,105 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:52,106 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:52,109 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-11 00:26:52,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,131 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:52,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,173 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:52,175 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:52,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:52,179 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:52,207 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:52,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,213 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:52,219 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:52,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:52,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:52,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,290 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:52,291 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:52,295 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-10-11 00:26:52,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:52,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,364 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:52,367 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:52,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:52,412 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,422 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:52,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,423 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:52,431 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:52,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,455 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,489 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,489 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:52,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,489 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:52,490 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:52,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:52,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:52,512 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,567 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,567 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:52,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,568 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:52,570 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:52,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:52,615 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,629 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,629 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:52,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,630 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:52,639 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:52,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:52,660 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,721 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:52,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,721 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:52,721 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:52,739 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-11 00:26:52,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:52,761 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,811 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,811 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:52,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:52,814 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:52,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:52,878 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,884 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,888 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,888 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:52,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:52,889 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:52,896 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:52,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:52,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:52,967 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:52,967 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:52,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:52,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:52,968 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:52,968 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:52,974 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-10-11 00:26:52,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:52,994 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:53,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,037 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,037 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:53,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:53,038 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:53,040 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:53,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:53,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,073 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,080 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:53,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:53,080 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:53,084 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:53,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:53,107 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:53,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,158 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,158 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:53,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,159 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:53,159 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:53,161 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-11 00:26:53,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,183 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:53,218 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,220 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:53,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:53,221 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:53,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:53,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:53,266 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:53,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:53,272 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:53,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:53,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:53,307 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:53,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,351 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,352 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:53,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,352 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:26:53,352 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:53,356 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-11 00:26:53,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:53,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:53,420 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:53,420 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:53,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:53,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:53,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:53,421 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:53,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:53,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,447 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:53,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:26:53,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:26:53,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:26:53,510 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2021-10-11 00:26:53,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:26:53,521 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-10-11 00:26:53,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:26:53,523 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-10-11 00:26:53,525 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:26:53,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2021-10-11 00:26:53,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-11 00:26:53,530 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-11 00:26:53,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2021-10-11 00:26:53,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:26:53,531 INFO L692 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-11 00:26:53,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2021-10-11 00:26:53,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-10-11 00:26:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:26:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2021-10-11 00:26:53,562 INFO L715 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-11 00:26:53,562 INFO L595 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-11 00:26:53,562 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:26:53,562 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2021-10-11 00:26:53,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:26:53,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:26:53,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:26:53,564 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-11 00:26:53,564 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:26:53,565 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2021-10-11 00:26:53,565 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2021-10-11 00:26:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:53,566 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-11 00:26:53,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:53,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027151942] [2021-10-11 00:26:53,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:53,575 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:53,581 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:53,583 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:53,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:53,585 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2021-10-11 00:26:53,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:53,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809403288] [2021-10-11 00:26:53,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:53,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:53,621 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:53,622 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:53,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:53,623 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2021-10-11 00:26:53,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:53,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789630621] [2021-10-11 00:26:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:53,642 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:53,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:53,651 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:53,679 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:53,679 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:53,679 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:53,679 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:53,679 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:26:53,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:53,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:53,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-11 00:26:53,679 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:53,680 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:53,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:53,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:53,700 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:53,817 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:53,817 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:53,820 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:53,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:26:53,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:26:54,009 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:26:54,012 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:54,012 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:54,012 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:54,012 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:54,012 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:26:54,012 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,012 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:54,012 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:54,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-11 00:26:54,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:54,012 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:54,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:54,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:54,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:54,130 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:54,131 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:54,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:54,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,175 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:54,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:54,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,227 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:54,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:54,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,283 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:54,314 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:54,325 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:54,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,378 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:54,379 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:54,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,395 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,432 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,434 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:54,434 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:54,485 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,495 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:54,499 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:54,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,555 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,556 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:54,557 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:54,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,604 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:54,605 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:54,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,615 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:54,646 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,652 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:54,669 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:54,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,679 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,718 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:54,719 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:54,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,722 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:54,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,743 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:54,745 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:54,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,765 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:54,783 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,787 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:54,787 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:54,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,787 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:54,789 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:54,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,818 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:54,818 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:54,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,818 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:54,820 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:54,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:54,880 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:54,880 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:54,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,881 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:54,882 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:54,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:54,930 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:54,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:54,936 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:54,936 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:54,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:54,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:54,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:54,936 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:54,940 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:54,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:54,959 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,007 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,007 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:55,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,007 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:55,009 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:55,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,078 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:55,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:55,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:55,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:55,130 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,137 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:55,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,137 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:55,143 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:55,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,169 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,217 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,217 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:55,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,218 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:55,220 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:55,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,280 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,280 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:55,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,281 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:55,283 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:55,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,291 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:55,311 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,316 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,316 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:55,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,316 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:55,319 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:55,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,354 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:55,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,354 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:55,355 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:55,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,378 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,407 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,407 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:55,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,407 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:55,408 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:55,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,413 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:55,433 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,437 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:55,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,437 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:55,443 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:55,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,462 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,487 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,487 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:55,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,487 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:55,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:55,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:55,527 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:55,527 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:55,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:55,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:55,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:55,527 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:55,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:55,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:55,539 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:55,575 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:55,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:55,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:55,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:55,575 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:26:55,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:55,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:55,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-10-11 00:26:55,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:55,576 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:55,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:55,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:55,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:55,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:55,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:55,709 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:55,709 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:55,717 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,738 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:55,738 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:55,801 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,828 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:55,828 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,864 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:55,864 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,876 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:55,876 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:55,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:55,916 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:26:55,928 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:55,961 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:55,961 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:26:56,006 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:26:56,260 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:26:56,262 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:56,262 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:56,262 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:56,262 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:56,262 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:26:56,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:56,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:56,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-10-11 00:26:56,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:56,262 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:56,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:56,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:56,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:56,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:56,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:56,387 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:56,387 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:56,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:56,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,412 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:56,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:56,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-11 00:26:56,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,465 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:56,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:56,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:56,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:56,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:56,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:56,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,523 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:56,543 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,548 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:56,548 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:56,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,575 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:56,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,622 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:56,625 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-11 00:26:56,625 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,639 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:56,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,679 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:56,679 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:56,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:56,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,749 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:56,750 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:56,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,763 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:56,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,803 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:56,805 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:56,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,819 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:56,843 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,847 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:56,848 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:56,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,875 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:56,879 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-11 00:26:56,879 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-11 00:26:56,897 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:56,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,942 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:56,943 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:56,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,945 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:56,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:56,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:56,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:56,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:56,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:56,975 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:56,976 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:56,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:56,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:57,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,005 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,008 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:57,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:57,038 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:57,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,042 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,043 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:57,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,119 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,125 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-11 00:26:57,125 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:57,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,183 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,184 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,198 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:57,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,229 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,229 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,239 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:57,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,262 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,265 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:57,289 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,294 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:57,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,295 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:57,295 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:57,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:57,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:57,324 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-11 00:26:57,324 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-11 00:26:57,331 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,355 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:57,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,355 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:57,356 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:57,356 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,358 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,386 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,386 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:57,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,387 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:57,388 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:57,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,417 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:57,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,418 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:57,420 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:57,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,425 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:57,446 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,450 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,450 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:57,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,451 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,451 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:57,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,454 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,480 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,480 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:57,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,480 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,484 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-11 00:26:57,484 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-11 00:26:57,492 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,516 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,516 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:57,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,517 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,517 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:57,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,520 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,545 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,545 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:57,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,545 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:57,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,549 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,575 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,575 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:57,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,575 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,578 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:57,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:57,608 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,612 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:57,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,613 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,614 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,626 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,687 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,687 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:57,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,688 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,694 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-11 00:26:57,694 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-11 00:26:57,711 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,752 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,752 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:57,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,752 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,754 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,771 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,806 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,810 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:57,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,810 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,812 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,882 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,882 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:57,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,883 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:57,888 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:57,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:57,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:57,943 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:57,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:57,954 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:57,954 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:57,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:57,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:57,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:57,955 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:57,956 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:57,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:57,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,012 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:58,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:58,017 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-11 00:26:58,017 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,078 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:58,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,078 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:58,079 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:58,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,090 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,124 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,125 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:58,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,125 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:58,126 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:58,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,183 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:58,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,183 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:58,187 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:58,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,211 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:58,242 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,251 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,251 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:58,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,251 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:58,252 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:58,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,273 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,309 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,309 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:58,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,309 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:58,317 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-10-11 00:26:58,317 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,335 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,361 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:58,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,361 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:58,362 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:58,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:58,367 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,393 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:58,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,393 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:58,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:58,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:58,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:58,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:58,429 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:26:58,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:58,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:58,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:58,429 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:26:58,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:26:58,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:58,492 INFO L473 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-11 00:26:58,492 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2021-10-11 00:26:58,492 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2021-10-11 00:26:58,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:58,493 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2021-10-11 00:26:58,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:58,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563784230] [2021-10-11 00:26:58,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:58,503 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:58,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:58,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:58,520 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:58,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:58,525 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2021-10-11 00:26:58,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:58,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652493939] [2021-10-11 00:26:58,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:58,531 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:26:58,535 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:26:58,535 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:26:58,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:26:58,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2021-10-11 00:26:58,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:26:58,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20257141] [2021-10-11 00:26:58,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:26:58,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:26:58,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:26:58,626 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20257141] [2021-10-11 00:26:58,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:26:58,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:26:58,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761932008] [2021-10-11 00:26:58,657 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:58,657 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:58,657 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:58,657 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:58,658 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:26:58,658 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:58,658 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:58,658 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:58,658 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-11 00:26:58,658 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:58,658 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:58,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:58,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:58,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:58,770 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:58,770 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,780 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:26:58,780 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:58,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:26:58,854 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,082 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:26:59,085 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:26:59,085 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:26:59,085 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:26:59,085 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:26:59,085 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:26:59,085 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,085 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:26:59,086 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:26:59,086 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-11 00:26:59,086 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:26:59,086 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:26:59,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:59,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:59,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:26:59,180 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:26:59,180 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:59,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:59,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:59,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:59,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,275 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:26:59,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:26:59,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:59,361 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,371 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:59,374 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:59,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,439 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:59,440 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:59,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,496 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:59,496 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:59,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:59,549 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,553 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:59,560 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:59,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,599 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,601 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:59,602 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:59,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,604 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,628 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:59,628 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:59,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,630 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:59,650 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,654 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:59,657 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:59,657 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,661 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,685 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:59,686 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:59,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,688 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:26:59,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,757 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:26:59,758 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:26:59,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:59,810 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,815 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:59,815 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:59,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,816 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:59,818 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:59,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,838 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:59,860 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:59,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,861 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:59,861 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:59,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,864 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:59,887 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:26:59,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,887 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-11 00:26:59,888 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-11 00:26:59,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:26:59,915 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:26:59,948 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:26:59,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:26:59,959 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:26:59,959 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:26:59,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:26:59,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:26:59,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:26:59,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:26:59,963 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:26:59,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:26:59,979 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,023 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:27:00,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,023 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:27:00,025 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:27:00,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,079 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-11 00:27:00,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,079 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:27:00,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:27:00,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,095 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:27:00,127 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,134 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,134 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:27:00,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,134 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:27:00,139 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:27:00,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,195 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:27:00,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,196 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:27:00,198 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:27:00,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,283 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:27:00,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,284 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-11 00:27:00,285 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-11 00:27:00,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:27:00,319 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,322 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,322 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:27:00,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:27:00,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:27:00,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:00,330 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,365 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,365 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:27:00,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,366 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:27:00,367 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:27:00,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:00,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,402 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,402 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-11 00:27:00,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,403 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-11 00:27:00,403 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:27:00,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:00,415 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:27:00,433 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,437 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,437 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:27:00,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,437 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:27:00,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:27:00,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:00,467 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,501 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,501 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:27:00,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,501 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:27:00,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:27:00,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:00,507 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:00,545 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-11 00:27:00,545 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-11 00:27:00,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:00,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:00,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:00,546 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-11 00:27:00,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-11 00:27:00,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:00,571 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-11 00:27:00,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:27:00,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:27:00,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:27:00,597 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2021-10-11 00:27:00,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:27:00,612 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2021-10-11 00:27:00,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:27:00,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2021-10-11 00:27:00,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:27:00,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2021-10-11 00:27:00,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-11 00:27:00,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-10-11 00:27:00,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-10-11 00:27:00,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:27:00,618 INFO L692 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-11 00:27:00,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-10-11 00:27:00,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-10-11 00:27:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-10-11 00:27:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-11 00:27:00,622 INFO L715 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-11 00:27:00,622 INFO L595 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-11 00:27:00,623 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:27:00,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-10-11 00:27:00,624 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-11 00:27:00,624 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:00,625 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:00,625 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-11 00:27:00,625 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-11 00:27:00,625 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2021-10-11 00:27:00,626 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2021-10-11 00:27:00,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:00,626 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-11 00:27:00,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:00,627 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454231651] [2021-10-11 00:27:00,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:00,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:00,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:00,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:00,663 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:00,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:00,666 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2021-10-11 00:27:00,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:00,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245859248] [2021-10-11 00:27:00,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:00,676 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:00,684 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:00,688 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2021-10-11 00:27:00,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:00,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167889654] [2021-10-11 00:27:00,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:00,714 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:00,735 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:00,737 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:00,765 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:27:00,766 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:27:00,766 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:27:00,766 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:27:00,766 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:27:00,766 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,766 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:27:00,766 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:27:00,767 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-10-11 00:27:00,767 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:27:00,767 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:27:00,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:00,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:00,844 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:27:00,845 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:27:00,852 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,868 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:27:00,868 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:00,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:27:00,910 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:27:00,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:27:00,975 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:27:00,977 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:27:00,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:27:00,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:27:00,977 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:27:00,977 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:27:00,977 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:00,977 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:27:00,977 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:27:00,977 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-10-11 00:27:00,977 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:27:00,977 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:27:00,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:00,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:01,060 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:27:01,060 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 143 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:01,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:01,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:27:01,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:01,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:01,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:01,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:27:01,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:27:01,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:01,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 144 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:01,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:01,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:27:01,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:01,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:01,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:01,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:27:01,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:27:01,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:01,098 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:27:01,101 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:27:01,102 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cc24dba-937e-4db0-a7e2-1bb5eb2b0e8a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:01,121 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:27:01,122 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:27:01,122 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:27:01,122 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] Waiting until toolchain timeout for monitored process 145 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:01,161 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:27:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:01,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:27:01,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:01,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:27:01,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:01,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:01,243 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 [2021-10-11 00:27:01,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2021-10-11 00:27:01,281 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2021-10-11 00:27:01,282 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 [2021-10-11 00:27:01,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:27:01,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2021-10-11 00:27:01,285 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-11 00:27:01,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:27:01,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-11 00:27:01,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:27:01,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-11 00:27:01,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:27:01,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-10-11 00:27:01,290 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:27:01,290 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-11 00:27:01,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:27:01,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:27:01,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:27:01,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:27:01,291 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:01,291 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:01,291 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:27:01,291 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-11 00:27:01,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:27:01,292 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:27:01,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:27:01,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:27:01 BoogieIcfgContainer [2021-10-11 00:27:01,299 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:27:01,300 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:27:01,300 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:27:01,300 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:27:01,300 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:26:49" (3/4) ... [2021-10-11 00:27:01,305 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:27:01,305 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:27:01,309 INFO L168 Benchmark]: Toolchain (without parser) took 12589.74 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 58.0 MB in the beginning and 37.9 MB in the end (delta: 20.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:01,312 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 90.2 MB. Free memory was 44.6 MB in the beginning and 44.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:01,313 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.42 ms. Allocated memory is still 90.2 MB. Free memory was 57.8 MB in the beginning and 68.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:01,313 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.99 ms. Allocated memory is still 90.2 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:01,314 INFO L168 Benchmark]: Boogie Preprocessor took 28.53 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 66.1 MB in the end (delta: 649.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:01,314 INFO L168 Benchmark]: RCFGBuilder took 261.10 ms. Allocated memory is still 90.2 MB. Free memory was 65.8 MB in the beginning and 57.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:01,315 INFO L168 Benchmark]: BuchiAutomizer took 11989.71 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 57.5 MB in the beginning and 39.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:27:01,315 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 132.1 MB. Free memory was 39.0 MB in the beginning and 37.9 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:27:01,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 90.2 MB. Free memory was 44.6 MB in the beginning and 44.5 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 260.42 ms. Allocated memory is still 90.2 MB. Free memory was 57.8 MB in the beginning and 68.2 MB in the end (delta: -10.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.99 ms. Allocated memory is still 90.2 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.53 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 66.1 MB in the end (delta: 649.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 261.10 ms. Allocated memory is still 90.2 MB. Free memory was 65.8 MB in the beginning and 57.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11989.71 ms. Allocated memory was 90.2 MB in the beginning and 132.1 MB in the end (delta: 41.9 MB). Free memory was 57.5 MB in the beginning and 39.0 MB in the end (delta: 18.5 MB). Peak memory consumption was 62.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.34 ms. Allocated memory is still 132.1 MB. Free memory was 39.0 MB in the beginning and 37.9 MB in the end (delta: 1.0 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 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 11.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div347 bol100 ite100 ukn100 eq148 hnf51 smp85 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 41ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...