./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f57a241e2c58801cabb7fcf6419a1ee8415c4d2687e9efe6a7f86e17b88f5ca .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:14:14,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:14:14,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:14:14,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:14:14,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:14:14,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:14:14,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:14:14,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:14:14,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:14:14,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:14:14,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:14:14,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:14:14,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:14:14,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:14:14,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:14:14,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:14:14,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:14:14,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:14:14,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:14:14,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:14:14,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:14:14,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:14:14,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:14:14,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:14:14,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:14:14,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:14:14,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:14:14,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:14:14,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:14:14,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:14:14,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:14:14,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:14:14,762 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:14:14,763 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:14:14,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:14:14,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:14:14,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:14:14,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:14:14,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:14:14,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:14:14,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:14:14,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:14:14,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:14:14,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:14:14,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:14:14,804 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:14:14,806 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:14:14,806 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:14:14,806 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:14:14,806 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:14:14,807 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:14:14,807 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:14:14,808 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:14:14,808 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:14:14,808 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:14:14,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:14:14,809 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:14:14,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:14:14,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:14:14,810 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:14:14,810 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:14:14,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:14:14,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:14:14,810 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:14:14,811 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:14:14,811 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:14:14,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:14:14,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:14:14,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:14:14,813 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:14:14,813 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:14:14,815 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:14:14,815 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_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f57a241e2c58801cabb7fcf6419a1ee8415c4d2687e9efe6a7f86e17b88f5ca [2021-10-21 19:14:15,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:14:15,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:14:15,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:14:15,154 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:14:15,156 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:14:15,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-21 19:14:15,249 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/data/c8ced45c6/f8b9d9fc97524ab8a86bddb5f464189d/FLAGbf8be974b [2021-10-21 19:14:15,760 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:14:15,761 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-21 19:14:15,772 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/data/c8ced45c6/f8b9d9fc97524ab8a86bddb5f464189d/FLAGbf8be974b [2021-10-21 19:14:16,140 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/data/c8ced45c6/f8b9d9fc97524ab8a86bddb5f464189d [2021-10-21 19:14:16,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:14:16,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:14:16,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:16,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:14:16,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:14:16,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a573083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16, skipping insertion in model container [2021-10-21 19:14:16,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:14:16,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:14:16,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:16,391 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:14:16,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:14:16,412 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:14:16,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16 WrapperNode [2021-10-21 19:14:16,412 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:14:16,414 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:16,414 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:14:16,414 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:14:16,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:14:16,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:14:16,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:14:16,447 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:14:16,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:14:16,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:14:16,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:14:16,469 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:14:16,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (1/1) ... [2021-10-21 19:14:16,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:16,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:16,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:14:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:14:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:14:16,710 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:14:16,710 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-21 19:14:16,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:16 BoogieIcfgContainer [2021-10-21 19:14:16,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:14:16,714 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:14:16,714 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:14:16,721 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:14:16,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:14:16,722 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:14:16" (1/3) ... [2021-10-21 19:14:16,723 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ef7589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:14:16, skipping insertion in model container [2021-10-21 19:14:16,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:14:16,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:14:16" (2/3) ... [2021-10-21 19:14:16,724 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ef7589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:14:16, skipping insertion in model container [2021-10-21 19:14:16,724 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:14:16,724 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:16" (3/3) ... [2021-10-21 19:14:16,726 INFO L389 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-21 19:14:16,798 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:14:16,798 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:14:16,798 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:14:16,799 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:14:16,799 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:14:16,799 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:14:16,799 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:14:16,799 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:14:16,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:16,842 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:14:16,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:14:16,843 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:14:16,849 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:14:16,849 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:14:16,849 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:14:16,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:16,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:14:16,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:14:16,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:14:16,852 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:14:16,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:14:16,861 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 9#L23-1true [2021-10-21 19:14:16,861 INFO L793 eck$LassoCheckResult]: Loop: 9#L23-1true assume !!(main_~x~0 < 255); 5#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 8#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 9#L23-1true [2021-10-21 19:14:16,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:16,873 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-21 19:14:16,884 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:16,885 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824466086] [2021-10-21 19:14:16,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:16,887 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:16,977 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:17,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:17,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:17,013 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2021-10-21 19:14:17,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:17,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956930063] [2021-10-21 19:14:17,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:17,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:17,033 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:17,048 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:17,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:17,051 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2021-10-21 19:14:17,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:17,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066184116] [2021-10-21 19:14:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:17,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:17,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:17,116 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066184116] [2021-10-21 19:14:17,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066184116] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:17,117 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:17,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-21 19:14:17,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116699063] [2021-10-21 19:14:17,210 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:17,210 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:17,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:17,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:17,211 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:14:17,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:17,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:17,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:17,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-10-21 19:14:17,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:17,212 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:17,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:17,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:17,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:17,381 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:17,382 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:14:17,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:17,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:17,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:17,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:14:17,400 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:17,401 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:17,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:17,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:17,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:17,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:17,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:14:17,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:17,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:14:18,231 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:14:18,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:14:18,234 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:18,234 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:18,235 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:18,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:18,235 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:14:18,235 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,235 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:18,235 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:18,235 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-10-21 19:14:18,235 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:18,235 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:18,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:18,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:18,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:18,353 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:18,358 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:14:18,359 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,360 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:18,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:18,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:18,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:18,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:14:18,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,436 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,441 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 [2021-10-21 19:14:18,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,451 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:18,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:18,453 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:18,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:14:18,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,499 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,502 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 [2021-10-21 19:14:18,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:14:18,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:18,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:18,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:18,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,571 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 19:14:18,572 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,574 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:14:18,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:18,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:18,601 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:18,604 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:18,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,667 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:18,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,685 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,685 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:18,685 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:18,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:18,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:14:18,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,734 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:18,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:18,757 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:18,758 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:18,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:14:18,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,807 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 19:14:18,808 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,809 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:18,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:18,853 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:18,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:14:18,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:18,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:18,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:18,913 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:18,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:18,919 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:18,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:18,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:14:18,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:18,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:18,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:18,940 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:18,940 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:18,947 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 19:14:18,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:18,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,011 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:14:19,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:19,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,031 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:19,033 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:19,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,084 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 19:14:19,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,088 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:14:19,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:19,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,110 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:19,124 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:19,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,184 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,195 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 [2021-10-21 19:14:19,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:19,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,206 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:19,206 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:19,210 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-10-21 19:14:19,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:14:19,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,268 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,270 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:19,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,292 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:19,295 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:19,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:14:19,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-10-21 19:14:19,339 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 19:14:19,340 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,340 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:14:19,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,350 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,350 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:19,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,351 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:19,354 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:19,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,393 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:14:19,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,419 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:19,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,419 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:19,419 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:19,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:19,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,486 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,487 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:14:19,510 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,510 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:19,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,511 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:19,514 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:19,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,568 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 19:14:19,568 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,570 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,585 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,586 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:19,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,586 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:19,593 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:19,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:14:19,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,653 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:14:19,658 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,666 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:19,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,666 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:19,667 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:19,672 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 19:14:19,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,759 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:14:19,776 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,776 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:19,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,777 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:19,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:19,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,842 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 19:14:19,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,843 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,856 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,856 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:19,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,857 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:19,863 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:19,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:14:19,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-21 19:14:19,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,907 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:14:19,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,918 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,918 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:19,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,918 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:19,918 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:19,924 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-10-21 19:14:19,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:19,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:19,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:19,982 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:19,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:19,983 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:19,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:14:19,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:19,992 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:19,992 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:19,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:19,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:19,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:19,993 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:19,995 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:19,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:20,059 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 19:14:20,059 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,060 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:14:20,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:20,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:20,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:20,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:20,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:20,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:20,069 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:20,072 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:20,072 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-21 19:14:20,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,104 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:14:20,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:20,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:20,116 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:20,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:20,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:20,117 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:20,117 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:20,119 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 19:14:20,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:20,169 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,170 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:14:20,172 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 [2021-10-21 19:14:20,181 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:20,181 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:20,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:20,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:20,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:20,181 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:20,195 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:20,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:20,249 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 19:14:20,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,267 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:20,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:20,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:20,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:20,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:20,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:20,279 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:20,284 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:20,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:14:20,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 19:14:20,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,376 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:20,404 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:20,404 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:20,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:20,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:20,405 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 19:14:20,405 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:20,417 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-21 19:14:20,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:14:20,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:20,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,479 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,481 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 [2021-10-21 19:14:20,491 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:20,491 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:20,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:20,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:20,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:20,492 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:20,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:14:20,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:20,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:20,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:20,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:20,548 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:20,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:20,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:20,566 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 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) Second operand has 3 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) [2021-10-21 19:14:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:20,576 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-10-21 19:14:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:20,579 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-10-21 19:14:20,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:14:20,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2021-10-21 19:14:20,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-21 19:14:20,584 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-21 19:14:20,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2021-10-21 19:14:20,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:14:20,585 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-21 19:14:20,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2021-10-21 19:14:20,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-10-21 19:14:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2021-10-21 19:14:20,611 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-21 19:14:20,611 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-21 19:14:20,612 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:14:20,612 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2021-10-21 19:14:20,612 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:14:20,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:14:20,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:14:20,613 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-21 19:14:20,613 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:14:20,613 INFO L791 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 30#L23-1 [2021-10-21 19:14:20,613 INFO L793 eck$LassoCheckResult]: Loop: 30#L23-1 assume !!(main_~x~0 < 255); 27#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-10-21 19:14:20,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:20,614 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-21 19:14:20,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:20,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249628082] [2021-10-21 19:14:20,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:20,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:20,619 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:20,622 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:20,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:20,623 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2021-10-21 19:14:20,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:20,624 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520237942] [2021-10-21 19:14:20,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:20,624 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:20,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:20,632 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:20,640 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:20,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:20,641 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2021-10-21 19:14:20,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:20,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418861952] [2021-10-21 19:14:20,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:20,642 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:20,654 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:20,665 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:20,696 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:20,696 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:20,696 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:20,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:20,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:14:20,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:20,697 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:20,697 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-21 19:14:20,697 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:20,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:20,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:20,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:20,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:20,828 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:20,828 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:14:20,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,835 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:20,844 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:20,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:14:20,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:20,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:20,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:20,899 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:20,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:14:20,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:14:20,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:21,030 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:14:21,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 19:14:21,033 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:21,033 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:21,033 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:21,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:21,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:14:21,033 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:21,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:21,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-21 19:14:21,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:21,034 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:21,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:21,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:21,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:21,149 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:21,149 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:14:21,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,151 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,159 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:14:21,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:21,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:21,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,186 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,221 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,222 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:21,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:21,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:14:21,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,299 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:21,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:21,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:14:21,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,369 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 19:14:21,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,370 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,384 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:21,386 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:21,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:14:21,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,443 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,457 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:21,458 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:21,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:14:21,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,515 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,528 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:21,529 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:21,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:14:21,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,583 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 19:14:21,583 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,584 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,599 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:21,603 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:21,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:14:21,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,654 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,671 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:21,672 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:21,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:14:21,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,725 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:14:21,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,741 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:21,741 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:21,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-21 19:14:21,776 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 19:14:21,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,777 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:14:21,779 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 [2021-10-21 19:14:21,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,787 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:21,791 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:21,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-21 19:14:21,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,833 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:14:21,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,844 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:21,845 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:21,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-21 19:14:21,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,885 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:14:21,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:21,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,896 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:21,897 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:21,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:21,934 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 19:14:21,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,935 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:21,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:14:21,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:21,944 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:21,944 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:21,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:21,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:21,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:21,945 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:21,948 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:21,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:21,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:21,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-21 19:14:21,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:21,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:21,998 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,012 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 [2021-10-21 19:14:22,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,023 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:22,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,024 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:22,025 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:22,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:14:22,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,081 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,082 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,084 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 [2021-10-21 19:14:22,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,095 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:22,095 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,095 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:22,096 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:22,097 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:14:22,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,140 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 19:14:22,141 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,141 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:14:22,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,152 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:22,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,152 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:22,157 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:22,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,189 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:14:22,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,199 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,199 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:22,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,199 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:22,202 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:22,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,261 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,263 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:14:22,282 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,282 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:22,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,282 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:22,287 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:22,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,342 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 19:14:22,342 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,343 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,358 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,359 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:22,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,359 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:22,364 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:22,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:14:22,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,405 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:14:22,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,418 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:22,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:22,423 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:22,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-21 19:14:22,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,478 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,495 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,495 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:22,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,496 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:22,499 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:22,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:14:22,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,554 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 19:14:22,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,559 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:22,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,576 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:22,580 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:22,580 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:14:22,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,631 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,643 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,643 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:22,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,643 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:22,645 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:22,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:14:22,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:22,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,696 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,708 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,708 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:22,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,709 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:22,710 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:22,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:14:22,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-21 19:14:22,754 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 19:14:22,754 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,754 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:14:22,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,763 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:22,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,764 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:22,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:22,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 19:14:22,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,825 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:14:22,838 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 [2021-10-21 19:14:22,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,847 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:22,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,847 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:22,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:22,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 19:14:22,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:22,884 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:14:22,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:22,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:22,893 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:22,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:22,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:22,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:22,894 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:22,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:22,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:22,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:22,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-10-21 19:14:22,967 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:22,967 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:22,967 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:22,967 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:22,968 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:14:22,968 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:22,968 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:22,968 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:22,968 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-10-21 19:14:22,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:22,968 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:22,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:22,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:22,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:22,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:23,091 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:23,091 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:14:23,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,095 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,097 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:23,097 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:23,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 19:14:23,110 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:14:23,110 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:14:23,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,130 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,131 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 19:14:23,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:23,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:23,143 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:14:23,143 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:14:23,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,167 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 19:14:23,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:23,170 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:23,203 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:14:23,203 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:14:23,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,267 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 19:14:23,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:23,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:23,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:14:23,343 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:14:23,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,431 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:23,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:23,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 19:14:23,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,492 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,493 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,495 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:14:23,495 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:23,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 19:14:23,707 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:14:23,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,710 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:23,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:23,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:23,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:23,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:14:23,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:23,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:23,710 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-10-21 19:14:23,710 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:23,710 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:23,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:23,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:23,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:23,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:23,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:23,813 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:23,813 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:14:23,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,814 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 19:14:23,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:23,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:23,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:23,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:23,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:23,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:23,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:23,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:23,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,859 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 19:14:23,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:23,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:23,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:23,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:23,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:23,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:23,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:14:23,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:23,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:23,904 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,904 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 19:14:23,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:23,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:23,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:23,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:23,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:23,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:23,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:23,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:23,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:23,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 19:14:23,970 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:23,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:23,971 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:23,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:23,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:23,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:23,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:23,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:23,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:23,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:23,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 19:14:24,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,047 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:24,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:24,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 19:14:24,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,121 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 19:14:24,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,123 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,135 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,135 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:24,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 19:14:24,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,182 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,183 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 19:14:24,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,192 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,194 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-21 19:14:24,194 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-21 19:14:24,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,258 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,259 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 19:14:24,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,267 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,268 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:24,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,315 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 19:14:24,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,328 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,329 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:24,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-21 19:14:24,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,355 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 19:14:24,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,367 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:24,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,391 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 19:14:24,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,392 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 19:14:24,393 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,402 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:24,402 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:24,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 19:14:24,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,426 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 19:14:24,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,434 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:24,437 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-21 19:14:24,437 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-21 19:14:24,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-21 19:14:24,475 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,476 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 19:14:24,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,485 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:24,486 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:24,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,490 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-21 19:14:24,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,513 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 19:14:24,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,524 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:24,525 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:24,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,561 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 19:14:24,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,570 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:24,571 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:24,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,601 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 19:14:24,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,602 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 19:14:24,609 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 [2021-10-21 19:14:24,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,617 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:24,619 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:24,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-21 19:14:24,649 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,650 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 19:14:24,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,659 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:24,662 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-21 19:14:24,662 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-21 19:14:24,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,731 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,732 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,749 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:24,750 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:24,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 19:14:24,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,776 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 19:14:24,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,785 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:24,786 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:24,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,808 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 19:14:24,809 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 [2021-10-21 19:14:24,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:24,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,817 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:24,819 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:24,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,845 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 19:14:24,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,846 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 19:14:24,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,856 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:24,856 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:24,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:24,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,856 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,857 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:24,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:24,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,924 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:24,935 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:24,935 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:24,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:24,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:24,935 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:24,938 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-21 19:14:24,938 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-21 19:14:24,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 19:14:24,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:24,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:24,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:24,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:24,995 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:24,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 19:14:24,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,004 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,004 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,004 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,004 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:25,005 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:25,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-21 19:14:25,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,035 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 19:14:25,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,044 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,044 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:25,045 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:25,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,069 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,069 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 19:14:25,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,079 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,079 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:25,080 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:25,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,135 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 19:14:25,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,136 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 19:14:25,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,146 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:25,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,146 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,147 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-21 19:14:25,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,171 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 19:14:25,172 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 [2021-10-21 19:14:25,180 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,180 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:25,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,183 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-21 19:14:25,184 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-21 19:14:25,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,247 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 19:14:25,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,256 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,256 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:25,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,257 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,257 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,279 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 19:14:25,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,288 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:25,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,288 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,289 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-21 19:14:25,314 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,315 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 19:14:25,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,325 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,325 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:25,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,325 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,337 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,365 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 19:14:25,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,366 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 19:14:25,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,376 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,376 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:25,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,376 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:25,377 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:25,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-21 19:14:25,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,402 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 19:14:25,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,411 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,411 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:25,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,412 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:25,418 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-21 19:14:25,418 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-21 19:14:25,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,488 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,500 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:25,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,501 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:25,502 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:25,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 19:14:25,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,556 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,569 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:25,569 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,570 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:25,571 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:25,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 19:14:25,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,624 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,636 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:25,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,637 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:25,640 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:25,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 19:14:25,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,698 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 19:14:25,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,703 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,716 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,716 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,717 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 19:14:25,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,767 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,778 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,781 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-21 19:14:25,782 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-21 19:14:25,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 19:14:25,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,829 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,841 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,841 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,842 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,842 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 19:14:25,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,892 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,904 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,904 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,905 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 19:14:25,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:25,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:25,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:25,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:25,959 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:25,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:25,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:25,971 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:25,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:25,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:25,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:25,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:25,974 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:25,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:25,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 19:14:25,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:26,021 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 19:14:26,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,022 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,034 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:26,034 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:26,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,035 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:26,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:26,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:26,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 19:14:26,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:26,082 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,083 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,094 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:26,094 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:26,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,094 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:26,099 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-10-21 19:14:26,100 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-21 19:14:26,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 19:14:26,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-21 19:14:26,140 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,140 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 19:14:26,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,149 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:26,149 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:26,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,150 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:26,157 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:26,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:26,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:26,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,181 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 19:14:26,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,189 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:26,190 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:26,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,190 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:26,191 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:26,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:26,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-21 19:14:26,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,231 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 19:14:26,232 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,240 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:26,240 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:26,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,241 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:26,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:26,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:26,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-21 19:14:26,270 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-21 19:14:26,270 INFO L791 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 30#L23-1 assume !!(main_~x~0 < 255); 27#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-10-21 19:14:26,270 INFO L793 eck$LassoCheckResult]: Loop: 30#L23-1 assume !!(main_~x~0 < 255); 27#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-10-21 19:14:26,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:26,271 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2021-10-21 19:14:26,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:26,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659713701] [2021-10-21 19:14:26,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:26,271 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:26,277 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:26,294 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:26,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:26,297 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2021-10-21 19:14:26,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:26,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525803046] [2021-10-21 19:14:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:26,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:26,314 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:26,319 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:26,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:26,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2021-10-21 19:14:26,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:26,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013375361] [2021-10-21 19:14:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:26,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:26,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:14:26,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013375361] [2021-10-21 19:14:26,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013375361] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:14:26,372 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:14:26,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:14:26,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775690403] [2021-10-21 19:14:26,396 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:26,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:26,396 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:26,396 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:26,396 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:14:26,396 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:26,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:26,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-21 19:14:26,397 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:26,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:26,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:26,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:26,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:26,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:26,483 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:14:26,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,485 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:26,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:26,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 19:14:26,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-21 19:14:26,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,517 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 19:14:26,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:14:26,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:26,723 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:14:26,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-21 19:14:26,726 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:26,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:26,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:26,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:26,726 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:14:26,726 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,726 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:26,726 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:26,726 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-21 19:14:26,726 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:26,726 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:26,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:26,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:26,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:26,841 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:26,841 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:14:26,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,847 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:26,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:26,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:26,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:26,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 19:14:26,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:26,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,919 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:26,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:26,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:26,936 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:26,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 19:14:26,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:26,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:26,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:26,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:26,984 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:26,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:26,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:26,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:26,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:26,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:26,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:26,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:26,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 19:14:27,010 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,047 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-21 19:14:27,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,048 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,050 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,062 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:27,064 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:27,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 19:14:27,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,111 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,113 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,125 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:27,126 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:27,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 19:14:27,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,173 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,174 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,190 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:27,191 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:27,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 19:14:27,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,237 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-21 19:14:27,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,243 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,258 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:27,261 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:27,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-21 19:14:27,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,312 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,324 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:27,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:27,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-21 19:14:27,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,370 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,383 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:27,384 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:27,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-21 19:14:27,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,429 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-21 19:14:27,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,430 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,446 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:27,449 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:27,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-21 19:14:27,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,505 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,518 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,518 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:27,519 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:27,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-21 19:14:27,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,568 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:27,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,580 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:27,581 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:27,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-21 19:14:27,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,630 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-21 19:14:27,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,632 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,645 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:27,645 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:27,645 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,646 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:27,648 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:27,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-21 19:14:27,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,700 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,703 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 [2021-10-21 19:14:27,713 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:27,713 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:27,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,714 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:27,715 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:27,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-21 19:14:27,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,763 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,764 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:27,778 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:27,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,778 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-21 19:14:27,779 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-21 19:14:27,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-21 19:14:27,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,831 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-21 19:14:27,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,835 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,851 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:27,851 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:27,851 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,852 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:27,855 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:27,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-21 19:14:27,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,904 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:27,917 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:27,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,918 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:27,919 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:27,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-21 19:14:27,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:27,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:27,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:27,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:27,969 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:27,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:27,983 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:27,983 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-21 19:14:27,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:27,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:27,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:27,983 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:27,985 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:27,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:27,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-21 19:14:27,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-10-21 19:14:28,034 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-21 19:14:28,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,035 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-21 19:14:28,037 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,049 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:28,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,049 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:28,053 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:28,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-21 19:14:28,110 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,111 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,131 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,131 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:28,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,131 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:28,133 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:28,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-21 19:14:28,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:28,200 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,202 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,219 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,219 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:28,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,220 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-21 19:14:28,221 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-21 19:14:28,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-21 19:14:28,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:28,272 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-21 19:14:28,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,273 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,286 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,286 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:28,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:28,289 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:28,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-21 19:14:28,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:28,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,349 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,362 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,363 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:28,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,363 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:28,364 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:28,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-21 19:14:28,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-10-21 19:14:28,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,421 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-21 19:14:28,422 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,431 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,431 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-21 19:14:28,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,431 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-21 19:14:28,432 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 19:14:28,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:28,458 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-21 19:14:28,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,458 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-21 19:14:28,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,469 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:28,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,469 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:28,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:28,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-10-21 19:14:28,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,534 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,551 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,551 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:28,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,551 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:28,553 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:28,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-21 19:14:28,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-10-21 19:14:28,608 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,609 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:28,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-21 19:14:28,620 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-21 19:14:28,620 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-21 19:14:28,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:28,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:28,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:28,621 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-21 19:14:28,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:14:28,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:28,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:28,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-10-21 19:14:28,688 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:14:28,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:14:28,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:14:28,689 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:28,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:14:28,705 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2021-10-21 19:14:28,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:14:28,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2021-10-21 19:14:28,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:14:28,707 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2021-10-21 19:14:28,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-21 19:14:28,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-10-21 19:14:28,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-10-21 19:14:28,708 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:14:28,708 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-21 19:14:28,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-10-21 19:14:28,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-10-21 19:14:28,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:14:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-21 19:14:28,710 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-21 19:14:28,710 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-21 19:14:28,710 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:14:28,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-10-21 19:14:28,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:14:28,711 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:14:28,711 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:14:28,711 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 19:14:28,711 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:14:28,712 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 53#L18-2 [2021-10-21 19:14:28,712 INFO L793 eck$LassoCheckResult]: Loop: 53#L18-2 assume !(0 != main_~debug~0); 56#L23-1 assume !!(main_~x~0 < 255); 52#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 53#L18-2 [2021-10-21 19:14:28,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,712 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-21 19:14:28,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,713 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784971787] [2021-10-21 19:14:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,713 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:28,720 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:28,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:28,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,731 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2021-10-21 19:14:28,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035156667] [2021-10-21 19:14:28,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,732 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:28,738 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:28,745 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:28,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:28,746 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2021-10-21 19:14:28,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:14:28,747 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922499231] [2021-10-21 19:14:28,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:14:28,747 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:14:28,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:28,758 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:14:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:14:28,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:14:28,798 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:28,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:28,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:28,799 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:28,799 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:14:28,799 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,799 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:28,800 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:28,800 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-10-21 19:14:28,800 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:28,800 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:28,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:28,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:28,865 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:28,866 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:14:28,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,883 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-21 19:14:28,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:28,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:28,915 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:14:28,916 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:14:28,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:28,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:28,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:28,952 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:28,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-21 19:14:28,954 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:14:28,954 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:29,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:29,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:29,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:29,001 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:29,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-21 19:14:29,003 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:14:29,003 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:14:29,043 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:14:29,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-10-21 19:14:29,046 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:14:29,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:14:29,046 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:14:29,046 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:14:29,046 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:14:29,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:29,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:14:29,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:14:29,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-10-21 19:14:29,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:14:29,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:14:29,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:29,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:14:29,120 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:14:29,121 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:14:29,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:29,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:29,122 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:29,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:29,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-21 19:14:29,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:29,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:29,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:29,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:29,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:29,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:29,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:29,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:14:29,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:29,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:29,178 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:29,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-21 19:14:29,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:14:29,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:14:29,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:14:29,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:14:29,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:14:29,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:14:29,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:14:29,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:14:29,191 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:14:29,194 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 19:14:29,194 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 19:14:29,195 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:14:29,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:14:29,196 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:14:29,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-21 19:14:29,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:14:29,198 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:14:29,198 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:14:29,198 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2021-10-21 19:14:29,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-21 19:14:29,224 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:14:29,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:14:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:14:29,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:14:29,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:14:29,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:14:29,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:14:29,354 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 19:14:29,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.5) 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) [2021-10-21 19:14:29,395 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.5) 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) Result 12 states and 14 transitions. Complement of second has 6 states. [2021-10-21 19:14:29,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 19:14:29,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) 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) [2021-10-21 19:14:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2021-10-21 19:14:29,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-21 19:14:29,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:14:29,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-21 19:14:29,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:14:29,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-21 19:14:29,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:14:29,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-10-21 19:14:29,406 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:14:29,406 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-21 19:14:29,406 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:14:29,406 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:14:29,406 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:14:29,407 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:14:29,407 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:29,407 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:29,407 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:14:29,407 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:14:29,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:14:29,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:14:29,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:14:29,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:14:29 BoogieIcfgContainer [2021-10-21 19:14:29,416 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:14:29,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:14:29,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:14:29,417 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:14:29,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:14:16" (3/4) ... [2021-10-21 19:14:29,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:14:29,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:14:29,424 INFO L168 Benchmark]: Toolchain (without parser) took 13267.12 ms. Allocated memory was 83.9 MB in the beginning and 138.4 MB in the end (delta: 54.5 MB). Free memory was 49.8 MB in the beginning and 80.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:29,425 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:29,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.39 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 49.6 MB in the beginning and 92.6 MB in the end (delta: -43.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:29,426 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.64 ms. Allocated memory is still 115.3 MB. Free memory was 92.6 MB in the beginning and 91.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:29,427 INFO L168 Benchmark]: Boogie Preprocessor took 19.78 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 90.5 MB in the end (delta: 812.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:29,427 INFO L168 Benchmark]: RCFGBuilder took 244.99 ms. Allocated memory is still 115.3 MB. Free memory was 90.5 MB in the beginning and 82.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:29,428 INFO L168 Benchmark]: BuchiAutomizer took 12702.27 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 82.2 MB in the beginning and 80.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:14:29,428 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 138.4 MB. Free memory is still 80.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:14:29,431 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.39 ms. Allocated memory was 83.9 MB in the beginning and 115.3 MB in the end (delta: 31.5 MB). Free memory was 49.6 MB in the beginning and 92.6 MB in the end (delta: -43.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.64 ms. Allocated memory is still 115.3 MB. Free memory was 92.6 MB in the beginning and 91.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.78 ms. Allocated memory is still 115.3 MB. Free memory was 91.4 MB in the beginning and 90.5 MB in the end (delta: 812.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 244.99 ms. Allocated memory is still 115.3 MB. Free memory was 90.5 MB in the beginning and 82.7 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 12702.27 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 82.2 MB in the beginning and 80.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 25.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.40 ms. Allocated memory is still 138.4 MB. Free memory is still 80.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 255 + -1 * x and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 12.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 12.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 13.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 11 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div347 bol100 ite100 ukn100 eq148 hnf51 smp85 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 62ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:14:29,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-21 19:14:29,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_602857f1-a87e-4bcf-b868-8cc37f2e4217/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...