./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y --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 32bit --witnessprinter.graph.data.programhash f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:53:14,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:53:14,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:53:14,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:53:14,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:53:14,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:53:14,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:53:14,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:53:14,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:53:14,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:53:14,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:53:14,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:53:14,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:53:14,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:53:14,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:53:14,764 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:53:14,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:53:14,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:53:14,769 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:53:14,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:53:14,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:53:14,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:53:14,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:53:14,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:53:14,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:53:14,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:53:14,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:53:14,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:53:14,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:53:14,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:53:14,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:53:14,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:53:14,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:53:14,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:53:14,807 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:53:14,808 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:53:14,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:53:14,809 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:53:14,809 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:53:14,810 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:53:14,811 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:53:14,812 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:53:14,861 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:53:14,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:53:14,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:53:14,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:53:14,864 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:53:14,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:53:14,865 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:53:14,865 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:53:14,865 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:53:14,866 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:53:14,867 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:53:14,867 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:53:14,867 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:53:14,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:53:14,868 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:53:14,868 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:53:14,868 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:53:14,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:53:14,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:53:14,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:53:14,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:53:14,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:53:14,870 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:53:14,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:53:14,870 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:53:14,871 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:53:14,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:53:14,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:53:14,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:53:14,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:53:14,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:53:14,874 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:53:14,875 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:53:14,876 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_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-11-13 18:53:15,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:53:15,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:53:15,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:53:15,271 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:53:15,273 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:53:15,274 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-13 18:53:15,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/data/05457f294/9476e14883ec4d339588a2704da213bc/FLAG2c7998b9b [2021-11-13 18:53:15,833 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:53:15,834 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-13 18:53:15,846 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/data/05457f294/9476e14883ec4d339588a2704da213bc/FLAG2c7998b9b [2021-11-13 18:53:16,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/data/05457f294/9476e14883ec4d339588a2704da213bc [2021-11-13 18:53:16,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:53:16,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:53:16,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:53:16,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:53:16,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:53:16,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65806ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16, skipping insertion in model container [2021-11-13 18:53:16,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:53:16,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:53:16,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:53:16,448 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:53:16,465 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:53:16,477 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:53:16,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16 WrapperNode [2021-11-13 18:53:16,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:53:16,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:53:16,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:53:16,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:53:16,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:53:16,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:53:16,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:53:16,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:53:16,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:53:16,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:53:16,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:53:16,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:53:16,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (1/1) ... [2021-11-13 18:53:16,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:16,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:16,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:53:16,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:53:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:53:16,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:53:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-13 18:53:16,828 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:53:16,828 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-13 18:53:16,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:53:16 BoogieIcfgContainer [2021-11-13 18:53:16,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:53:16,832 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:53:16,832 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:53:16,837 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:53:16,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:53:16,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:53:16" (1/3) ... [2021-11-13 18:53:16,839 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b71bca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:53:16, skipping insertion in model container [2021-11-13 18:53:16,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:53:16,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:53:16" (2/3) ... [2021-11-13 18:53:16,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b71bca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:53:16, skipping insertion in model container [2021-11-13 18:53:16,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:53:16,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:53:16" (3/3) ... [2021-11-13 18:53:16,842 INFO L388 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-11-13 18:53:16,890 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:53:16,890 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:53:16,891 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:53:16,891 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:53:16,891 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:53:16,891 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:53:16,891 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:53:16,892 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:53:16,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:53:16,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-13 18:53:16,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:53:16,927 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:53:16,934 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 18:53:16,934 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:53:16,935 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:53:16,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:53:16,937 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-13 18:53:16,938 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:53:16,938 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:53:16,939 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 18:53:16,939 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-13 18:53:16,946 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 10#L55-2true [2021-11-13 18:53:16,947 INFO L793 eck$LassoCheckResult]: Loop: 10#L55-2true assume !false; 5#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 12#L47-2true assume !true; 8#L55-1true assume !true; 10#L55-2true [2021-11-13 18:53:16,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:16,953 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-13 18:53:16,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:16,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219538936] [2021-11-13 18:53:16,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:16,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:17,060 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:17,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:17,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:17,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2021-11-13 18:53:17,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:17,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046238242] [2021-11-13 18:53:17,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:17,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:17,109 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:53:17,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931786901] [2021-11-13 18:53:17,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:17,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:53:17,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:17,112 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:53:17,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:53:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:53:17,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 18:53:17,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:53:17,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:53:17,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:53:17,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:53:17,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046238242] [2021-11-13 18:53:17,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:53:17,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931786901] [2021-11-13 18:53:17,262 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931786901] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:53:17,263 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:53:17,263 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-13 18:53:17,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634872692] [2021-11-13 18:53:17,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:53:17,271 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:53:17,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:53:17,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:53:17,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:53:17,336 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:53:17,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:53:17,367 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-13 18:53:17,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:53:17,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-13 18:53:17,382 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-13 18:53:17,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2021-11-13 18:53:17,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-13 18:53:17,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-13 18:53:17,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-13 18:53:17,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:53:17,390 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-13 18:53:17,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-13 18:53:17,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-13 18:53:17,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:53:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-13 18:53:17,417 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-13 18:53:17,417 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-13 18:53:17,418 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:53:17,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-13 18:53:17,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-13 18:53:17,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:53:17,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:53:17,419 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 18:53:17,419 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-13 18:53:17,420 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 46#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 51#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 50#L55-2 [2021-11-13 18:53:17,420 INFO L793 eck$LassoCheckResult]: Loop: 50#L55-2 assume !false; 47#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 48#L47-2 assume !false; 49#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 43#L55-1 assume !false; 44#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 50#L55-2 [2021-11-13 18:53:17,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:17,421 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-11-13 18:53:17,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:17,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691303941] [2021-11-13 18:53:17,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:17,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:17,441 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:17,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:17,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:17,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2021-11-13 18:53:17,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:17,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233270006] [2021-11-13 18:53:17,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:17,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:17,465 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:53:17,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351677940] [2021-11-13 18:53:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:17,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:53:17,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:17,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:53:17,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:53:17,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:53:17,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:53:17,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:53:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:53:17,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:53:17,696 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:53:17,696 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233270006] [2021-11-13 18:53:17,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:53:17,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351677940] [2021-11-13 18:53:17,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351677940] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:53:17,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:53:17,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:53:17,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139589735] [2021-11-13 18:53:17,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:53:17,698 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:53:17,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:53:17,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:53:17,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:53:17,700 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:53:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:53:18,217 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-13 18:53:18,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:53:18,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-13 18:53:18,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-13 18:53:18,225 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2021-11-13 18:53:18,225 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-13 18:53:18,225 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-13 18:53:18,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-11-13 18:53:18,225 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:53:18,225 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-13 18:53:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-11-13 18:53:18,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-13 18:53:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:53:18,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-13 18:53:18,227 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-13 18:53:18,227 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-13 18:53:18,227 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 18:53:18,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-11-13 18:53:18,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-13 18:53:18,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:53:18,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:53:18,229 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-13 18:53:18,229 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-13 18:53:18,229 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 [2021-11-13 18:53:18,230 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-13 18:53:18,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:18,230 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-11-13 18:53:18,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:18,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341170293] [2021-11-13 18:53:18,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:18,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:18,257 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:18,273 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:18,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 1 times [2021-11-13 18:53:18,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:18,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890455052] [2021-11-13 18:53:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:18,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:18,283 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:53:18,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [778604160] [2021-11-13 18:53:18,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:18,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:53:18,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:18,324 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:53:18,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 18:53:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:18,476 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:19,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:19,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:53:19,758 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 1 times [2021-11-13 18:53:19,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:53:19,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465656721] [2021-11-13 18:53:19,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:19,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:53:19,766 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:53:19,766 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [64597112] [2021-11-13 18:53:19,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:53:19,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:53:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:53:19,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:53:19,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 18:53:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:19,834 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:53:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:53:19,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:53:24,895 WARN L227 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 35 DAG size of output: 34 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:53:28,202 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:53:28,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:53:28,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:53:28,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:53:28,203 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:53:28,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:53:28,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:53:28,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:53:28,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-13 18:53:28,204 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:53:28,204 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:53:28,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:11,651 WARN L227 SmtUtils]: Spent 41.90s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:54:16,462 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:54:16,463 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:54:16,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:16,466 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:16,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:54:16,468 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:54:16,468 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:54:16,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:16,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:16,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:16,515 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:16,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:54:16,520 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:54:16,520 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:54:16,556 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:54:16,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-13 18:54:16,581 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:54:16,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:54:16,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:54:16,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:54:16,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:54:16,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:16,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:54:16,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:54:16,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-13 18:54:16,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:54:16,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:54:16,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:30,344 WARN L227 SmtUtils]: Spent 11.80s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:54:32,237 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:54:32,241 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:54:32,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:54:32,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:32,253 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:54:32,258 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:54:32,258 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,319 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-13 18:54:32,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,320 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:32,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:54:32,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,369 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:54:32,375 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:54:32,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,402 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-13 18:54:32,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,403 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:54:32,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:32,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,416 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:54:32,422 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:54:32,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,451 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-13 18:54:32,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,452 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:54:32,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:54:32,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,464 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:54:32,474 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:54:32,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,528 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-13 18:54:32,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,532 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:54:32,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:54:32,542 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:54:32,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,543 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:54:32,550 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:54:32,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,609 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-13 18:54:32,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,611 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 18:54:32,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,634 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:54:32,634 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:54:32,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,635 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:54:32,644 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:54:32,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,696 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-13 18:54:32,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,698 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,723 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:54:32,724 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:54:32,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,724 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:54:32,739 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:54:32,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 18:54:32,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,797 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-13 18:54:32,797 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,802 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 18:54:32,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:54:32,822 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:54:32,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,823 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:54:32,828 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:54:32,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:32,875 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-13 18:54:32,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:32,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:32,877 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:32,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:54:32,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:54:32,893 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:54:32,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:54:32,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:54:32,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:54:32,894 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:54:32,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:54:32,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:54:32,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 18:54:32,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:54:32,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:33,035 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:54:33,035 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:54:33,035 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:54:33,035 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:54:33,036 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:54:33,036 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:33,036 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:54:33,036 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:54:33,036 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-13 18:54:33,036 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:54:33,036 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:54:33,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:34,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:34,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:34,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:40,113 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:54:42,478 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:54:42,478 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:54:42,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:42,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:42,486 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:42,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 18:54:42,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:54:42,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:54:42,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:42,548 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:54:42,550 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:54:42,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 18:54:42,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:54:42,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:54:42,586 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:54:42,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 18:54:42,620 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:54:42,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:54:42,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:54:42,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:54:42,620 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:54:42,620 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:54:42,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:54:42,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:54:42,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-13 18:54:42,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:54:42,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:54:42,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:42,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:42,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:42,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:54:55,521 WARN L227 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:55:02,421 WARN L227 SmtUtils]: Spent 6.86s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:55:02,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:55:02,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:55:02,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,427 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 18:55:02,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,463 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 18:55:02,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,502 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 18:55:02,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:02,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,534 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,535 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 18:55:02,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:02,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:02,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:55:02,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,604 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-13 18:55:02,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,605 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 18:55:02,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,617 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:02,618 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:02,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,639 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 18:55:02,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,649 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:02,649 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:02,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,677 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 18:55:02,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,686 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,686 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:02,687 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:02,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,709 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 18:55:02,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,718 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:02,729 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:55:02,729 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:55:02,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,793 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-13 18:55:02,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,794 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 18:55:02,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,812 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:02,813 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:02,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-13 18:55:02,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,849 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 18:55:02,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,860 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:02,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:02,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,882 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,882 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 18:55:02,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:02,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,893 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:02,893 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:02,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:02,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:02,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:02,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:02,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,931 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:02,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:02,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:02,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:02,963 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:02,977 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:55:02,978 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:55:02,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 18:55:03,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,041 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-13 18:55:03,041 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,043 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 18:55:03,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,058 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,059 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:03,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,081 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 18:55:03,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,092 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,093 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:03,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,122 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 18:55:03,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,132 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:03,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,154 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 18:55:03,155 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:03,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,181 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:55:03,182 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:55:03,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,251 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-13 18:55:03,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,252 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 18:55:03,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,261 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,261 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:03,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,261 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:03,262 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:03,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-13 18:55:03,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,288 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,300 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,300 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:03,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,301 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:03,302 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:03,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 18:55:03,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,334 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-13 18:55:03,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,343 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:03,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,343 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:03,344 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:03,344 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,406 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,427 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,428 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:03,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,428 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:03,439 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:55:03,439 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:55:03,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 18:55:03,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,478 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-13 18:55:03,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,479 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-13 18:55:03,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,488 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,488 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:55:03,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,489 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:03,489 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:03,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-13 18:55:03,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,515 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-13 18:55:03,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,524 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:55:03,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,524 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:03,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:03,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,581 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-13 18:55:03,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,590 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,590 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:55:03,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,590 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:03,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:03,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,614 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-13 18:55:03,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,624 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,625 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:55:03,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,625 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:03,640 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:55:03,640 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:55:03,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,687 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-13 18:55:03,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,688 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-13 18:55:03,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,697 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,697 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:03,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,697 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,698 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:03,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-13 18:55:03,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,743 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-13 18:55:03,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,762 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:03,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,763 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,765 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:03,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:03,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,819 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-13 18:55:03,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,828 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:03,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,829 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,830 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:03,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-13 18:55:03,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,853 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-13 18:55:03,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,865 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,865 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:03,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,865 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:03,886 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:55:03,886 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:55:03,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:03,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-13 18:55:03,963 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-13 18:55:03,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:03,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:03,965 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:03,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:03,977 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:03,977 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:03,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:03,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:03,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:03,977 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:03,978 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:03,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:03,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-13 18:55:03,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,032 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,044 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:04,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:04,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:04,045 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:04,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:04,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-13 18:55:04,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,094 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,106 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,106 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:04,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:04,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,106 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:04,107 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:04,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:04,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-13 18:55:04,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,159 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,176 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,177 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:04,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,177 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:04,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-13 18:55:04,195 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:55:04,195 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:55:04,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,257 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-13 18:55:04,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,258 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,270 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:04,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:04,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,271 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:55:04,272 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:04,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:04,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-13 18:55:04,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,325 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,337 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,337 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:04,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:04,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,337 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:55:04,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:04,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:04,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-13 18:55:04,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,378 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-13 18:55:04,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,387 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,387 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:04,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:04,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,387 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:55:04,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:04,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:04,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-13 18:55:04,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:04,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,422 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:04,452 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:04,452 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:04,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:04,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:04,452 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:55:04,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-13 18:55:04,474 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-13 18:55:04,474 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 18:55:04,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:04,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:04,554 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-13 18:55:04,554 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-13 18:55:04,554 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-13 18:55:04,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:04,555 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 2 times [2021-11-13 18:55:04,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:04,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835511468] [2021-11-13 18:55:04,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:04,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:04,560 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:04,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265215444] [2021-11-13 18:55:04,560 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:55:04,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:04,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,565 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-13 18:55:04,607 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:55:04,607 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:55:04,607 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:04,688 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:04,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:04,689 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 2 times [2021-11-13 18:55:04,689 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:04,689 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228387667] [2021-11-13 18:55:04,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:04,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:04,693 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:04,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [468627630] [2021-11-13 18:55:04,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:55:04,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:04,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:04,695 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:04,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-13 18:55:05,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:55:05,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:55:05,534 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:55:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:55:06,776 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:55:06,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:06,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1338088892, now seen corresponding path program 3 times [2021-11-13 18:55:06,777 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:06,777 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805574691] [2021-11-13 18:55:06,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:06,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:06,783 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:55:06,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1417855844] [2021-11-13 18:55:06,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:55:06,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:06,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:06,810 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:06,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-13 18:55:06,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 18:55:06,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:55:06,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:55:06,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:07,467 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 18:55:07,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:55:07,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:07,467 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805574691] [2021-11-13 18:55:07,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-13 18:55:07,468 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417855844] [2021-11-13 18:55:07,468 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417855844] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:07,468 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:07,468 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:55:07,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447891028] [2021-11-13 18:55:07,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:18,401 WARN L227 SmtUtils]: Spent 5.32s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:55:18,402 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:55:18,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:55:18,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:55:18,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:55:18,403 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:55:18,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:18,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:55:18,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:55:18,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-13 18:55:18,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:55:18,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:55:18,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:36,791 WARN L227 SmtUtils]: Spent 16.92s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:55:39,491 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:55:39,492 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:55:39,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:39,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:39,496 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:39,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-13 18:55:39,497 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:55:39,497 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:55:39,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-13 18:55:39,532 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:39,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:39,532 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:39,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-13 18:55:39,534 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:55:39,534 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:55:39,576 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:55:39,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:39,616 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:55:39,616 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:55:39,616 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:55:39,616 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:55:39,617 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:55:39,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:39,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:55:39,617 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:55:39,617 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-13 18:55:39,617 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:55:39,617 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:55:39,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:55:56,904 WARN L227 SmtUtils]: Spent 15.58s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 18:55:58,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:55:58,378 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:55:58,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,380 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-13 18:55:58,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:58,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:55:58,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:55:58,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-13 18:55:58,416 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-13 18:55:58,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,417 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-13 18:55:58,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:58,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,427 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:58,430 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:58,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,454 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-13 18:55:58,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,455 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-13 18:55:58,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,465 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:58,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,465 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:58,472 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:58,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,499 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-13 18:55:58,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,500 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-13 18:55:58,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:55:58,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,510 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:58,514 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:58,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,548 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,575 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-13 18:55:58,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,576 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-13 18:55:58,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,585 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:58,585 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:58,585 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,585 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:55:58,587 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:55:58,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,613 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-13 18:55:58,613 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,614 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-13 18:55:58,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:58,623 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:55:58,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,623 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:58,627 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:58,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-13 18:55:58,658 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-13 18:55:58,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,659 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-13 18:55:58,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:58,676 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:58,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,676 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:55:58,684 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:55:58,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-13 18:55:58,734 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-13 18:55:58,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,735 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-13 18:55:58,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:58,744 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:55:58,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,745 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:55:58,748 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:55:58,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,776 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-13 18:55:58,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:55:58,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:58,776 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:58,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-13 18:55:58,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:55:58,787 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:55:58,787 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:55:58,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:55:58,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:55:58,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:55:58,788 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:55:58,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:55:58,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:55:58,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:55:58,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:58,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:58,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:55:58,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:55:58,822 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:56:03,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-13 18:56:03,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:03,296 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-13 18:56:03,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:56:03,305 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-11-13 18:56:03,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-13 18:56:03,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 20 transitions. [2021-11-13 18:56:03,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-13 18:56:03,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-13 18:56:03,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-11-13 18:56:03,307 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:56:03,308 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-13 18:56:03,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-11-13 18:56:03,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-13 18:56:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:56:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-13 18:56:03,310 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-13 18:56:03,310 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-13 18:56:03,310 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 18:56:03,310 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-11-13 18:56:03,311 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-13 18:56:03,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:56:03,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:56:03,311 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:03,311 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:56:03,312 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-13 18:56:03,312 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-13 18:56:03,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:03,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1807031086, now seen corresponding path program 1 times [2021-11-13 18:56:03,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:03,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106444289] [2021-11-13 18:56:03,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:03,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:03,316 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:56:03,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [844555786] [2021-11-13 18:56:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:03,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:03,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:03,317 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:03,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-11-13 18:56:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:56:03,340 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:56:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:56:03,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:56:03,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:03,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-11-13 18:56:03,350 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:03,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370413619] [2021-11-13 18:56:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:03,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:03,352 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:56:03,353 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2076028083] [2021-11-13 18:56:03,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:03,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:03,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:03,372 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:03,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-11-13 18:56:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:56:03,400 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:56:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:56:03,405 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:56:03,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:03,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 2 times [2021-11-13 18:56:03,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:03,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109855798] [2021-11-13 18:56:03,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:03,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:03,410 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:56:03,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [831255438] [2021-11-13 18:56:03,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:56:03,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:03,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:03,417 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:03,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-13 18:56:03,977 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:56:03,977 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:56:03,977 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:56:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:56:04,054 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:56:10,341 WARN L227 SmtUtils]: Spent 6.22s on a formula simplification. DAG size of input: 44 DAG size of output: 38 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:56:11,832 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:56:11,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:56:11,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:56:11,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:56:11,832 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:56:11,832 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:56:11,832 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:56:11,832 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:56:11,832 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-13 18:56:11,832 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:56:11,833 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:56:11,834 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:56:11,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:56:11,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:56:11,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:00:49,142 WARN L227 SmtUtils]: Spent 4.61m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 19:02:19,283 WARN L227 SmtUtils]: Spent 1.48m on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 19:02:19,312 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 19:02:19,312 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 19:02:19,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:02:19,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:02:19,313 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:02:19,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-13 19:02:19,315 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 19:02:19,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 19:02:19,329 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 19:02:19,329 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1#1=0} Honda state: {ULTIMATE.start_main_#t~ret1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 19:02:19,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-13 19:02:19,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:02:19,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:02:19,351 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:02:19,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-13 19:02:19,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 19:02:19,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 19:02:19,362 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 19:02:19,362 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 19:02:19,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-13 19:02:19,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:02:19,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:02:19,383 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:02:19,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-13 19:02:19,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 19:02:19,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 19:02:19,392 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 19:02:19,392 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 19:02:19,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-13 19:02:19,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:02:19,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:02:19,412 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:02:19,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-13 19:02:19,413 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 19:02:19,414 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 19:02:19,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-13 19:02:19,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:02:19,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:02:19,445 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:02:19,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-13 19:02:19,446 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 19:02:19,446 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 19:02:19,460 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 19:02:19,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-13 19:02:19,481 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 19:02:19,481 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 19:02:19,482 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 19:02:19,482 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 19:02:19,482 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 19:02:19,482 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:02:19,482 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 19:02:19,482 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 19:02:19,482 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-13 19:02:19,482 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 19:02:19,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 19:02:19,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:02:20,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:02:20,576 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:02:20,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:04:59,416 WARN L227 SmtUtils]: Spent 2.65m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 19:06:19,379 WARN L227 SmtUtils]: Spent 1.32m on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-13 19:06:19,723 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 19:06:19,723 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 19:06:19,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,724 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-13 19:06:19,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 19:06:19,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 19:06:19,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 19:06:19,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:19,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,778 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-13 19:06:19,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:19,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 19:06:19,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 19:06:19,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:19,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-13 19:06:19,807 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,808 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-13 19:06:19,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:19,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 19:06:19,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 19:06:19,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:19,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-13 19:06:19,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,837 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-13 19:06:19,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:19,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 19:06:19,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 19:06:19,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:19,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-13 19:06:19,865 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-13 19:06:19,866 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,866 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-13 19:06:19,868 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,876 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:19,892 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 19:06:19,892 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 19:06:19,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-13 19:06:19,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,928 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-13 19:06:19,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:19,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,936 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:19,937 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 19:06:19,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:19,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:19,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,957 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-13 19:06:19,958 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:19,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,966 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:19,966 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 19:06:19,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:19,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:19,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:19,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:19,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:19,987 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:19,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-13 19:06:19,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:19,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:19,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:19,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:19,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:19,996 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:19,997 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 19:06:19,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-13 19:06:20,018 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-13 19:06:20,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,028 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,055 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,073 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 19:06:20,073 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 19:06:20,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-13 19:06:20,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,133 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-13 19:06:20,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,150 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,150 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:20,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-13 19:06:20,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,171 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-13 19:06:20,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,180 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:20,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-13 19:06:20,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,201 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-13 19:06:20,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,209 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,210 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:20,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,230 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-13 19:06:20,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,231 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-13 19:06:20,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,242 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,255 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 19:06:20,255 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 19:06:20,276 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-13 19:06:20,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,296 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-13 19:06:20,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,304 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,305 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 19:06:20,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,326 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-13 19:06:20,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,335 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,335 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 19:06:20,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,363 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-13 19:06:20,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 19:06:20,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,372 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,373 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 19:06:20,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-13 19:06:20,394 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-13 19:06:20,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,395 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-13 19:06:20,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,404 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,404 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:20,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,404 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:20,419 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 19:06:20,419 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 19:06:20,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-13 19:06:20,456 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,456 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-13 19:06:20,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,465 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:20,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,465 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:20,465 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 19:06:20,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,486 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-13 19:06:20,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,494 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,495 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:20,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,495 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:20,508 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 19:06:20,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-13 19:06:20,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,541 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-13 19:06:20,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,549 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,549 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:20,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,549 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 19:06:20,550 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 19:06:20,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-13 19:06:20,596 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-13 19:06:20,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,597 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-13 19:06:20,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,606 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,607 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 19:06:20,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,607 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,617 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 19:06:20,617 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 19:06:20,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-13 19:06:20,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,669 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-13 19:06:20,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,678 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,678 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 19:06:20,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,679 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,679 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:20,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,701 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-13 19:06:20,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,711 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,711 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 19:06:20,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,712 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,713 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:20,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,736 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-13 19:06:20,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,744 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,745 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 19:06:20,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,745 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:20,745 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:20,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-11-13 19:06:20,766 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-13 19:06:20,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,767 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-13 19:06:20,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,776 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:20,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,777 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,793 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 19:06:20,794 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 19:06:20,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-13 19:06:20,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,877 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-13 19:06:20,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,886 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,886 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:20,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,887 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,888 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 19:06:20,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-13 19:06:20,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,910 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-13 19:06:20,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,918 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,919 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:20,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,919 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,920 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 19:06:20,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:20,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:20,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:20,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:20,971 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:20,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-13 19:06:20,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:20,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:20,980 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:20,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:20,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:20,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:20,980 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 19:06:20,981 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 19:06:20,981 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:20,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,010 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-13 19:06:21,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,011 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-13 19:06:21,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,019 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:21,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,020 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:21,036 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 19:06:21,036 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 19:06:21,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-13 19:06:21,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,083 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-13 19:06:21,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,091 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:21,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:21,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:21,092 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:21,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:21,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,122 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-13 19:06:21,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,130 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:21,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:21,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,131 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:21,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:21,131 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:21,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,164 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-13 19:06:21,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,172 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,173 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 19:06:21,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:21,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,173 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 19:06:21,173 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 19:06:21,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:21,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-13 19:06:21,193 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-13 19:06:21,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,194 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-13 19:06:21,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,203 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,204 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:21,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,204 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 19:06:21,221 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-13 19:06:21,221 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 19:06:21,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,282 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-13 19:06:21,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,291 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:21,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:21,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,291 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 19:06:21,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 19:06:21,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:21,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,314 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-13 19:06:21,322 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,323 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:21,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:21,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,323 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 19:06:21,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 19:06:21,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:21,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:21,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,345 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-13 19:06:21,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 19:06:21,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 19:06:21,354 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 19:06:21,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 19:06:21,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 19:06:21,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 19:06:21,354 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 19:06:21,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 19:06:21,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 19:06:21,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 19:06:21,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-11-13 19:06:21,376 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-13 19:06:21,376 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-13 19:06:21,376 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-13 19:06:21,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:21,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 3 times [2021-11-13 19:06:21,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:21,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785402914] [2021-11-13 19:06:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:21,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:21,381 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 19:06:21,381 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659671835] [2021-11-13 19:06:21,381 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 19:06:21,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:21,422 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:21,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2021-11-13 19:06:21,946 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 19:06:21,946 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 19:06:21,946 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 19:06:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:06:21,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 19:06:21,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:21,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2021-11-13 19:06:21,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:21,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746975032] [2021-11-13 19:06:21,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:21,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:21,999 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 19:06:21,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [893193107] [2021-11-13 19:06:21,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 19:06:22,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:22,009 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:22,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2021-11-13 19:06:22,026 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 19:06:22,026 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 19:06:22,026 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 19:06:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:06:22,029 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 19:06:22,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 19:06:22,030 INFO L85 PathProgramCache]: Analyzing trace with hash 138804856, now seen corresponding path program 4 times [2021-11-13 19:06:22,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 19:06:22,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390214416] [2021-11-13 19:06:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 19:06:22,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 19:06:22,034 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 19:06:22,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886881978] [2021-11-13 19:06:22,035 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-13 19:06:22,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 19:06:22,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 19:06:22,038 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 19:06:22,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_421b174e-8417-41ce-bdf7-2c2a8cea71fe/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-11-13 19:06:22,437 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-13 19:06:22,437 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 19:06:22,437 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 19:06:26,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 19:06:26,566 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 19:06:35,594 WARN L227 SmtUtils]: Spent 8.92s on a formula simplification. DAG size of input: 56 DAG size of output: 50 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 19:06:49,088 WARN L227 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 19:06:49,089 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 19:06:49,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 19:06:49,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 19:06:49,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 19:06:49,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 19:06:49,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 19:06:49,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 19:06:49,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 19:06:49,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-13 19:06:49,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 19:06:49,090 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 19:06:49,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:06:49,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:06:49,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 19:06:54,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true