./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/cohencu6-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/cohencu6-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7031b865de3387af5d29e011bcf9a394e886b5414c90da053f2cdda9a00c68f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:57:24,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:57:24,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:57:24,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:57:24,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:57:24,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:57:24,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:57:24,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:57:24,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:57:24,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:57:24,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:57:24,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:57:24,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:57:24,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:57:24,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:57:24,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:57:24,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:57:24,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:57:24,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:57:24,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:57:24,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:57:24,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:57:24,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:57:24,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:57:24,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:57:24,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:57:24,736 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:57:24,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:57:24,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:57:24,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:57:24,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:57:24,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:57:24,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:57:24,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:57:24,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:57:24,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:57:24,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:57:24,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:57:24,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:57:24,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:57:24,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:57:24,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:57:24,788 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:57:24,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:57:24,789 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:57:24,789 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:57:24,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:57:24,791 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:57:24,791 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:57:24,792 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:57:24,792 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:57:24,792 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:57:24,792 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:57:24,793 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:57:24,793 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:57:24,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:57:24,794 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:57:24,794 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:57:24,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:57:24,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:57:24,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:57:24,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:57:24,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:57:24,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:57:24,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:57:24,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:57:24,797 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:57:24,797 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:57:24,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:57:24,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:57:24,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:57:24,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:57:24,799 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:57:24,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:57:24,800 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:57:24,801 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_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7031b865de3387af5d29e011bcf9a394e886b5414c90da053f2cdda9a00c68f [2021-11-20 06:57:25,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:57:25,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:57:25,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:57:25,136 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:57:25,138 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:57:25,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/cohencu6-both-t.c [2021-11-20 06:57:25,219 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/data/7c1c442d2/694197c763de4082b500c6e18c1b5825/FLAGec9fb39e6 [2021-11-20 06:57:25,827 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:57:25,828 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/sv-benchmarks/c/termination-nla/cohencu6-both-t.c [2021-11-20 06:57:25,835 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/data/7c1c442d2/694197c763de4082b500c6e18c1b5825/FLAGec9fb39e6 [2021-11-20 06:57:26,211 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/data/7c1c442d2/694197c763de4082b500c6e18c1b5825 [2021-11-20 06:57:26,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:57:26,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:57:26,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:57:26,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:57:26,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:57:26,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c2f5555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26, skipping insertion in model container [2021-11-20 06:57:26,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:57:26,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:57:26,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:57:26,442 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:57:26,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:57:26,480 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:57:26,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26 WrapperNode [2021-11-20 06:57:26,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:57:26,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:57:26,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:57:26,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:57:26,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,514 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,541 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-11-20 06:57:26,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:57:26,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:57:26,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:57:26,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:57:26,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,559 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:57:26,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:57:26,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:57:26,569 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:57:26,570 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (1/1) ... [2021-11-20 06:57:26,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:26,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:26,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:26,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:57:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:57:26,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:57:26,752 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:57:26,754 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:57:26,876 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:57:26,884 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:57:26,885 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:57:26,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:26 BoogieIcfgContainer [2021-11-20 06:57:26,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:57:26,892 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:57:26,893 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:57:26,897 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:57:26,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:57:26,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:57:26" (1/3) ... [2021-11-20 06:57:26,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f6c7bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:57:26, skipping insertion in model container [2021-11-20 06:57:26,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:57:26,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:57:26" (2/3) ... [2021-11-20 06:57:26,902 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f6c7bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:57:26, skipping insertion in model container [2021-11-20 06:57:26,902 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:57:26,902 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:26" (3/3) ... [2021-11-20 06:57:26,904 INFO L388 chiAutomizerObserver]: Analyzing ICFG cohencu6-both-t.c [2021-11-20 06:57:26,978 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:57:26,979 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:57:26,979 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:57:26,979 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:57:26,979 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:57:26,980 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:57:26,980 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:57:26,980 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:57:26,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:27,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:57:27,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:57:27,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:57:27,035 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:57:27,035 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:57:27,036 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:57:27,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:57:27,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-20 06:57:27,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:57:27,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:57:27,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:57:27,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-20 06:57:27,048 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~a~0#1, main_~n~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~n~0#1 := 0;main_~x~0#1 := 0;main_~y~0#1 := 1;main_~z~0#1 := 6; 3#L32-2true [2021-11-20 06:57:27,048 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(main_~n~0#1 <= main_~a~0#1);main_~n~0#1 := main_~n~0#1 + main_~y~0#1 - 3 * main_~n~0#1 * main_~n~0#1 - 3 * main_~n~0#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := 6 + main_~z~0#1; 3#L32-2true [2021-11-20 06:57:27,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:27,055 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 06:57:27,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:27,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36624374] [2021-11-20 06:57:27,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:27,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:27,155 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:27,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:27,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:27,181 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-20 06:57:27,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:27,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581518111] [2021-11-20 06:57:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:27,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:27,189 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:57:27,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870702112] [2021-11-20 06:57:27,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:27,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:27,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:27,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:27,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:57:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:27,269 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:27,284 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:27,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:27,287 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-20 06:57:27,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:27,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756901286] [2021-11-20 06:57:27,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:27,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:27,305 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:57:27,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346502787] [2021-11-20 06:57:27,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:27,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:27,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:27,312 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:27,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 06:57:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:27,377 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:27,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:27,538 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:27,539 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:27,539 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:27,540 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:27,540 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:57:27,540 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:27,540 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:27,541 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:27,541 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Loop [2021-11-20 06:57:27,541 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:27,541 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:27,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:27,724 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:27,725 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:57:27,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:27,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:27,750 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:27,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:57:27,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:27,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:57:27,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:27,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:27,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:27,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:27,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:57:27,831 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:57:27,831 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:27,882 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:57:27,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:27,928 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:27,929 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:27,929 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:27,929 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:27,929 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:57:27,929 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:27,929 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:27,930 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:27,930 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Loop [2021-11-20 06:57:27,930 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:27,930 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:27,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:28,040 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:28,046 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:57:28,048 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:57:28,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:28,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:28,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:57:28,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,145 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:57:28,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,147 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:57:28,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:28,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,172 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:28,180 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:28,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-20 06:57:28,221 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:57:28,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,223 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:57:28,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,253 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:28,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,254 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:28,263 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:28,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,336 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:57:28,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,338 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:28,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,364 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:28,378 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:28,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:57:28,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,440 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:57:28,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,442 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:57:28,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:28,455 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:28,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,456 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:28,464 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:28,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,533 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:57:28,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,535 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:57:28,556 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:28,556 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:28,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,557 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:28,570 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:28,570 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,633 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:57:28,633 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,634 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:57:28,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,655 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:28,655 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:28,656 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,656 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:28,678 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:28,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,788 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:57:28,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,790 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:57:28,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:28,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:28,814 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:28,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,815 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:28,824 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:28,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:28,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:28,893 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:57:28,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:28,900 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:28,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:57:28,907 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 [2021-11-20 06:57:28,920 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:28,920 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:28,920 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:28,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:28,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:28,921 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:28,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:28,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:28,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:29,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,060 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:29,060 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:29,060 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:29,060 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:29,061 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:57:29,061 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,061 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:29,061 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:29,061 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Lasso [2021-11-20 06:57:29,061 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:29,062 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:29,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:29,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:29,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:29,219 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:29,220 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:57:29,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,221 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:57:29,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:29,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:57:29,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,306 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:57:29,314 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:29,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:57:29,351 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:57:29,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,392 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:29,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:29,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:29,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:29,393 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:57:29,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:29,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:29,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Lasso [2021-11-20 06:57:29,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:29,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:29,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:29,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:29,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:29,573 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:29,574 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:57:29,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,609 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:29,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:29,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:29,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:29,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:29,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:29,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:57:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:57:29,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:29,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,709 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:57:29,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:29,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:29,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:29,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:29,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:29,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:29,728 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:57:29,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:29,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:29,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,784 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:29,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:57:29,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:29,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:29,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:29,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:29,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:29,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:57:29,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:29,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:29,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,864 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:57:29,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,866 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:29,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:29,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:29,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:29,896 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:29,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:57:29,918 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:57:29,918 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:57:29,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:29,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:29,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:29,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:29,988 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:29,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,012 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:30,013 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:30,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:57:30,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,079 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,106 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:30,108 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:30,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:57:30,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,166 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:57:30,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,172 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,189 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:30,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:57:30,207 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:57:30,207 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:57:30,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,287 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:30,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:30,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:57:30,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,362 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,380 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:30,381 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:30,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:57:30,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,444 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:57:30,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,445 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:57:30,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,463 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:30,481 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:57:30,481 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:57:30,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 06:57:30,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,555 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:57:30,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,567 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:30,568 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:30,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,621 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:57:30,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:30,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,634 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:30,636 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:30,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 06:57:30,687 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:57:30,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,688 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:57:30,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,701 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:30,701 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:30,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,701 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:30,713 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:57:30,713 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:57:30,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,811 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,828 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:30,828 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:30,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,829 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:30,830 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:30,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:57:30,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,887 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,888 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:57:30,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:30,901 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:30,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:30,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,902 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:30,903 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:30,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:30,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:30,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:30,932 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:57:30,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:30,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:30,933 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:30,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:57:30,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:30,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:30,948 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:30,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:30,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:30,948 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:30,977 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:57:30,977 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:57:31,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 06:57:31,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,107 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:57:31,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,123 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,123 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:31,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:31,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,123 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:31,125 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:31,125 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:31,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:31,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,154 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:57:31,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,165 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:31,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:31,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,165 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:31,167 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:31,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:31,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:31,234 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:57:31,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,240 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,257 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,257 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:31,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,258 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:31,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:57:31,277 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:57:31,277 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:57:31,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 06:57:31,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,466 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:57:31,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,479 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:31,479 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:31,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,479 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:31,481 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:31,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:31,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-20 06:57:31,554 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,555 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,576 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:31,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:31,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:31,579 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:31,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:31,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 06:57:31,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:31,645 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:57:31,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,647 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,664 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,665 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:31,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,665 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:31,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:57:31,680 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:57:31,681 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:57:31,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 06:57:31,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,742 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:57:31,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,766 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,766 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:31,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:31,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,767 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:31,768 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:31,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:31,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:31,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,796 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:57:31,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,808 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,808 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:31,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:31,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,808 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:31,809 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:31,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:31,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:31,835 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:57:31,835 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,836 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:57:31,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:31,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:31,848 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:31,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:31,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:31,848 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:31,869 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:57:31,869 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:57:31,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:31,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 06:57:31,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:31,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:31,991 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:31,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:57:31,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:32,001 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:32,002 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:32,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:32,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:32,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:32,002 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:32,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:32,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:32,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:32,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:32,071 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,072 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:57:32,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:32,083 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:32,083 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:32,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:32,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:32,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:32,084 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:32,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:32,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:32,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:32,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:32,141 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 06:57:32,142 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~a~0#1, main_~n~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~n~0#1 := 0;main_~x~0#1 := 0;main_~y~0#1 := 1;main_~z~0#1 := 6; 3#L32-2true assume !!(main_~n~0#1 <= main_~a~0#1);main_~n~0#1 := main_~n~0#1 + main_~y~0#1 - 3 * main_~n~0#1 * main_~n~0#1 - 3 * main_~n~0#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := 6 + main_~z~0#1; 3#L32-2true [2021-11-20 06:57:32,142 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(main_~n~0#1 <= main_~a~0#1);main_~n~0#1 := main_~n~0#1 + main_~y~0#1 - 3 * main_~n~0#1 * main_~n~0#1 - 3 * main_~n~0#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := 6 + main_~z~0#1; 3#L32-2true [2021-11-20 06:57:32,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:32,143 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2021-11-20 06:57:32,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:32,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565809978] [2021-11-20 06:57:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:32,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:32,148 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:57:32,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [72133876] [2021-11-20 06:57:32,148 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:57:32,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:32,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,150 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-20 06:57:32,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:57:32,199 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:57:32,199 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:32,208 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:32,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 2 times [2021-11-20 06:57:32,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:32,210 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658060942] [2021-11-20 06:57:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:32,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:32,213 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:57:32,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047836761] [2021-11-20 06:57:32,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:57:32,213 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:32,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,228 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-20 06:57:32,256 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 06:57:32,257 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:57:32,257 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:32,263 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:32,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:57:32,264 INFO L85 PathProgramCache]: Analyzing trace with hash 925795, now seen corresponding path program 3 times [2021-11-20 06:57:32,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:57:32,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404964771] [2021-11-20 06:57:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:57:32,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:57:32,269 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 06:57:32,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1547800336] [2021-11-20 06:57:32,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 06:57:32,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:57:32,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,279 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-20 06:57:32,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 06:57:32,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 06:57:32,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:57:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:57:32,334 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:57:32,392 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:32,392 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:32,392 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:32,392 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:32,393 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:57:32,393 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,393 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:32,393 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:32,393 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Loop [2021-11-20 06:57:32,393 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:32,393 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:32,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:32,476 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:32,476 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:57:32,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,481 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,488 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:57:32,488 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:32,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 06:57:32,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:32,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,565 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:57:32,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:32,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 06:57:32,603 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:57:32,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:32,645 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:32,645 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:32,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:32,645 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:32,645 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:57:32,645 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,645 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:32,645 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:32,645 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Loop [2021-11-20 06:57:32,645 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:32,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:32,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:32,726 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:32,727 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:57:32,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,728 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:32,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:32,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:32,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:32,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:32,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:32,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:57:32,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:32,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 06:57:32,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:32,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:32,815 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:57:32,816 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,817 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:32,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:32,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:32,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:32,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:32,832 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:32,834 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:32,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:32,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 06:57:32,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:32,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:32,888 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:57:32,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,892 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,894 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 [2021-11-20 06:57:32,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:32,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:32,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:32,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:32,907 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:32,911 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:32,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:32,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 06:57:32,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:32,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 06:57:32,970 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:57:32,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:32,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:32,971 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:32,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 06:57:32,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:32,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:32,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:32,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:32,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:32,983 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:32,987 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:32,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:33,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:33,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,052 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:57:33,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,055 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,056 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:33,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 06:57:33,066 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:33,066 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:33,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:33,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:33,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:33,067 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:33,070 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:33,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:33,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:33,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 06:57:33,125 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:57:33,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,126 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 06:57:33,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:33,139 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:33,139 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:33,139 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:33,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:33,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:33,140 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:33,144 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:33,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:33,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:33,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,217 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:57:33,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,220 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:33,237 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:33,238 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:33,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:33,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:33,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:33,238 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:33,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 06:57:33,245 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:33,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:33,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:33,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,330 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:57:33,330 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,331 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 06:57:33,332 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:33,342 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:33,342 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:33,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:33,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:33,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:33,342 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:33,345 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:33,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:33,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:33,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-20 06:57:33,376 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:57:33,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,377 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 06:57:33,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:33,393 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:33,393 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:33,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:33,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:33,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:33,394 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:33,404 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:33,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:33,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:33,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,528 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:33,529 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:33,529 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:33,529 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:33,529 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:57:33,529 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,529 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:33,529 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:33,530 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Lasso [2021-11-20 06:57:33,530 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:33,530 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:33,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:33,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:33,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:33,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:33,658 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:57:33,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,667 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,673 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:57:33,673 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:33,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 06:57:33,697 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:57:33,697 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:57:33,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,739 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:57:33,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:33,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 06:57:33,763 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:57:33,764 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:57:33,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,804 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:57:33,807 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:33,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 06:57:33,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:33,863 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:33,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:57:33,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:57:33,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 06:57:33,914 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:57:33,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:33,954 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:57:33,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:57:33,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:57:33,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:57:33,955 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:57:33,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:33,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:57:33,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:57:33,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: cohencu6-both-t.c_Iteration1_Lasso [2021-11-20 06:57:33,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:57:33,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:57:33,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:33,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:33,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:57:34,088 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:57:34,088 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:57:34,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,096 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 06:57:34,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:34,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:57:34,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,149 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 06:57:34,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:34,161 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:57:34,161 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,162 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,187 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 06:57:34,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:57:34,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:34,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:57:34,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 06:57:34,256 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 06:57:34,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,257 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 06:57:34,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,267 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,268 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:34,268 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:34,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-20 06:57:34,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,296 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 06:57:34,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,307 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:34,307 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:34,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-20 06:57:34,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,334 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 06:57:34,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,344 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:34,353 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:57:34,353 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:57:34,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 06:57:34,411 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 06:57:34,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,412 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 06:57:34,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,427 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:34,428 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:34,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,488 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,490 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 [2021-11-20 06:57:34,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,502 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:34,503 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:34,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 06:57:34,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 06:57:34,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,534 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 06:57:34,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,546 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:34,555 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:57:34,556 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:57:34,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-20 06:57:34,632 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 06:57:34,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,633 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,635 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 [2021-11-20 06:57:34,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,647 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:34,649 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:34,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 06:57:34,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,702 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,704 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,720 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:34,721 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:34,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 06:57:34,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,785 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:57:34,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,801 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:34,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 06:57:34,816 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:57:34,817 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:57:34,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,895 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 06:57:34,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,896 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:34,915 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:34,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,916 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:34,917 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:34,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 06:57:34,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:34,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:34,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:34,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:34,970 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:34,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:34,988 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:34,988 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:34,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:34,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:34,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:34,989 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:34,990 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 06:57:34,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:34,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 06:57:35,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:35,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,042 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,060 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,060 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:35,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,060 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 06:57:35,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 06:57:35,070 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 06:57:35,070 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 06:57:35,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-20 06:57:35,161 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 06:57:35,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,162 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 06:57:35,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,174 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:35,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:35,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,174 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:35,175 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:35,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:35,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:35,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,203 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 06:57:35,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,222 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,222 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:35,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:35,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,223 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:35,224 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:35,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:35,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-20 06:57:35,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,264 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 06:57:35,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,277 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 06:57:35,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:35,289 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:57:35,289 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:57:35,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:35,471 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 06:57:35,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,472 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,492 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:35,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:35,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,492 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:35,494 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:35,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:35,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 06:57:35,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-20 06:57:35,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,524 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 06:57:35,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,535 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,535 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:35,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:35,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,535 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:35,536 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 06:57:35,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:35,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-20 06:57:35,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,565 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 06:57:35,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,576 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:35,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,577 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 06:57:35,591 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 06:57:35,591 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 06:57:35,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-20 06:57:35,798 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 06:57:35,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,799 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 06:57:35,816 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 [2021-11-20 06:57:35,827 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,827 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:35,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:35,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,827 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:35,828 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:35,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:35,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:35,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,855 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 06:57:35,857 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,866 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,866 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:35,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:35,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,867 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:35,867 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 06:57:35,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:35,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:35,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-20 06:57:35,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:35,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:35,894 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:35,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 06:57:35,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:35,905 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:35,905 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 06:57:35,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:35,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:35,905 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 06:57:35,916 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 06:57:35,917 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 06:57:35,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:36,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:36,011 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 06:57:36,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:36,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:36,012 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:36,020 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 [2021-11-20 06:57:36,032 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:36,032 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:36,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:36,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:36,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:36,032 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:36,033 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:36,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:36,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 06:57:36,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:36,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:36,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:36,097 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:36,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:57:36,112 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:36,112 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:36,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:57:36,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:36,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:36,112 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:36,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:57:36,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:57:36,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 06:57:36,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:36,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:36,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:57:36,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:57:36,175 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:57:36,180 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 [2021-11-20 06:57:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 06:57:36,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 06:57:36,193 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 06:57:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:57:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:57:36,194 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 06:57:36,207 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 06:57:36,207 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 06:57:36,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:57:36,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-20 06:57:36,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:57:36 BoogieIcfgContainer [2021-11-20 06:57:36,316 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:57:36,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:57:36,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:57:36,317 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:57:36,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:57:26" (3/4) ... [2021-11-20 06:57:36,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:57:36,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:57:36,322 INFO L158 Benchmark]: Toolchain (without parser) took 10105.28ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 74.8MB in the beginning and 83.5MB in the end (delta: -8.7MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2021-11-20 06:57:36,322 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:57:36,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.70ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 83.8MB in the end (delta: -9.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-20 06:57:36,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.76ms. Allocated memory is still 107.0MB. Free memory was 83.8MB in the beginning and 82.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:57:36,324 INFO L158 Benchmark]: Boogie Preprocessor took 25.50ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 81.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:57:36,324 INFO L158 Benchmark]: RCFGBuilder took 319.29ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 73.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:57:36,325 INFO L158 Benchmark]: BuchiAutomizer took 9424.38ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.4MB in the beginning and 84.5MB in the end (delta: -11.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2021-11-20 06:57:36,325 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 83.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:57:36,328 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory was 60.2MB in the beginning and 60.1MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.70ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 83.8MB in the end (delta: -9.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.76ms. Allocated memory is still 107.0MB. Free memory was 83.8MB in the beginning and 82.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.50ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 81.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.29ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 73.8MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9424.38ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.4MB in the beginning and 84.5MB in the end (delta: -11.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 130.0MB. Free memory was 84.5MB in the beginning and 83.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 9.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital42 mio100 ax100 hnf96 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq198 hnf92 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 115ms VariablesStem: 5 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~a~0#1, main_~n~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~a~0#1;havoc main_~n~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~a~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~n~0#1 := 0;main_~x~0#1 := 0;main_~y~0#1 := 1;main_~z~0#1 := 6;" "assume !!(main_~n~0#1 <= main_~a~0#1);main_~n~0#1 := main_~n~0#1 + main_~y~0#1 - 3 * main_~n~0#1 * main_~n~0#1 - 3 * main_~n~0#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := 6 + main_~z~0#1;" Loop: "assume !!(main_~n~0#1 <= main_~a~0#1);main_~n~0#1 := main_~n~0#1 + main_~y~0#1 - 3 * main_~n~0#1 * main_~n~0#1 - 3 * main_~n~0#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 + main_~z~0#1;main_~z~0#1 := 6 + main_~z~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 06:57:36,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:36,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:36,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:36,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:57:37,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 06:57:37,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47383ce8-48c9-4b47-9afd-0268364005dc/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN