./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-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_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/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_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/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_72cdf97f-f491-4510-8f61-e5436fc2aed7/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 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:49:06,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:49:06,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:49:06,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:49:06,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:49:06,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:49:06,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:49:06,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:49:06,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:49:06,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:49:06,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:49:06,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:49:06,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:49:06,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:49:06,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:49:06,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:49:06,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:49:06,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:49:06,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:49:06,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:49:06,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:49:06,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:49:06,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:49:06,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:49:06,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:49:06,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:49:06,606 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:49:06,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:49:06,608 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:49:06,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:49:06,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:49:06,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:49:06,614 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:49:06,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:49:06,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:49:06,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:49:06,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:49:06,619 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:49:06,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:49:06,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:49:06,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:49:06,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:49:06,686 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:49:06,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:49:06,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:49:06,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:49:06,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:49:06,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:49:06,689 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:49:06,690 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:49:06,690 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:49:06,690 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:49:06,690 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:49:06,691 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:49:06,691 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:49:06,691 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:49:06,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:49:06,692 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:49:06,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:49:06,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:49:06,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:49:06,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:49:06,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:49:06,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:49:06,694 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:49:06,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:49:06,695 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:49:06,695 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:49:06,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:49:06,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:49:06,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:49:06,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:49:06,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:49:06,697 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:49:06,698 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:49:06,698 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_72cdf97f-f491-4510-8f61-e5436fc2aed7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 139ac8fec1f7a664c70b93e53b58ce1cf1441525d0975d3b696da89c95b710b8 [2021-11-20 05:49:07,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:49:07,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:49:07,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:49:07,057 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:49:07,059 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:49:07,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/prod4br-both-t.c [2021-11-20 05:49:07,152 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/data/8bc7cc072/d586fdf2903d45b4b0ec70e821dd9a1b/FLAG6725ed2bf [2021-11-20 05:49:07,700 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:49:07,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/sv-benchmarks/c/termination-nla/prod4br-both-t.c [2021-11-20 05:49:07,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/data/8bc7cc072/d586fdf2903d45b4b0ec70e821dd9a1b/FLAG6725ed2bf [2021-11-20 05:49:08,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/data/8bc7cc072/d586fdf2903d45b4b0ec70e821dd9a1b [2021-11-20 05:49:08,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:49:08,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:49:08,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:49:08,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:49:08,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:49:08,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec3885a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08, skipping insertion in model container [2021-11-20 05:49:08,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:49:08,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:49:08,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:49:08,331 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:49:08,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:49:08,380 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:49:08,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08 WrapperNode [2021-11-20 05:49:08,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:49:08,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:49:08,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:49:08,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:49:08,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,403 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,434 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 40 [2021-11-20 05:49:08,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:49:08,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:49:08,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:49:08,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:49:08,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:49:08,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:49:08,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:49:08,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:49:08,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (1/1) ... [2021-11-20 05:49:08,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:08,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:08,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:08,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:49:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:49:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:49:08,657 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:49:08,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:49:08,858 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:49:08,865 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:49:08,866 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:49:08,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:49:08 BoogieIcfgContainer [2021-11-20 05:49:08,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:49:08,869 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:49:08,869 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:49:08,886 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:49:08,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:49:08,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:49:08" (1/3) ... [2021-11-20 05:49:08,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@733c65ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:49:08, skipping insertion in model container [2021-11-20 05:49:08,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:49:08,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:49:08" (2/3) ... [2021-11-20 05:49:08,891 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@733c65ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:49:08, skipping insertion in model container [2021-11-20 05:49:08,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:49:08,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:49:08" (3/3) ... [2021-11-20 05:49:08,893 INFO L388 chiAutomizerObserver]: Analyzing ICFG prod4br-both-t.c [2021-11-20 05:49:08,998 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:49:09,007 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:49:09,007 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:49:09,007 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:49:09,008 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:49:09,008 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:49:09,008 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:49:09,008 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:49:09,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:49:09,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 05:49:09,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:49:09,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:49:09,068 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:49:09,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:49:09,069 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:49:09,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.6363636363636365) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:49:09,071 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-20 05:49:09,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:49:09,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:49:09,073 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:49:09,073 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:49:09,081 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 8#L49-2true [2021-11-20 05:49:09,083 INFO L793 eck$LassoCheckResult]: Loop: 8#L49-2true assume !false; 14#L39true assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1 + main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 - main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-20 05:49:09,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:09,096 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 05:49:09,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:09,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457272151] [2021-11-20 05:49:09,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:09,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:09,215 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:09,263 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:09,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:09,267 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2021-11-20 05:49:09,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:09,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109396284] [2021-11-20 05:49:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:09,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:09,275 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:49:09,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1682386584] [2021-11-20 05:49:09,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:09,277 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:09,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:09,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:09,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 05:49:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:09,323 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:09,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:09,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2021-11-20 05:49:09,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:09,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115312225] [2021-11-20 05:49:09,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:09,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:09,360 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:49:09,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814863237] [2021-11-20 05:49:09,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:09,362 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:09,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:09,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:09,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 05:49:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:09,431 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:09,451 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:09,711 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:09,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:09,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:09,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:09,712 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:49:09,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:09,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:09,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:09,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Loop [2021-11-20 05:49:09,714 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:09,714 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:09,743 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 05:49:10,318 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:10,320 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:49:10,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:10,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:10,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:10,360 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:10,360 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:49:10,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:10,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:10,451 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:10,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:49:10,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:10,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:49:10,545 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:49:10,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:10,585 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:10,585 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:10,585 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:10,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:10,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:49:10,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:10,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:10,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:10,586 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Loop [2021-11-20 05:49:10,586 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:10,587 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:10,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:49:10,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:11,005 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:49:11,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:11,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:11,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:11,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:11,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:11,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:11,029 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:11,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:11,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:49:11,056 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 05:49:11,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:11,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:11,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:11,125 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:49:11,125 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:11,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:11,126 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:11,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:49:11,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:11,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:11,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:11,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:11,154 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:11,154 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:11,187 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:49:11,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:11,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:11,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:11,268 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:49:11,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:11,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:11,270 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:11,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:49:11,283 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:11,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:11,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:11,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:11,299 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:11,299 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:11,327 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 05:49:11,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:11,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:11,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:11,398 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:49:11,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:11,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:11,400 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:11,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:11,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:11,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:11,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:11,419 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:11,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:11,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:49:11,458 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-20 05:49:11,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:11,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:11,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:11,539 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:49:11,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:11,541 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:11,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:11,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:11,559 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:11,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:11,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:11,560 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:11,560 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:11,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:49:11,596 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:49:11,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:11,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:11,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:11,706 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:49:11,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:11,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:11,707 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:11,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 05:49:11,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:11,728 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:11,728 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:11,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:11,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:11,729 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:11,729 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:11,800 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 05:49:11,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:11,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:12,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:12,017 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:49:12,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:12,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:12,018 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:12,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:12,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:49:12,044 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:12,045 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:12,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:12,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:12,045 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:12,045 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:12,171 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-20 05:49:12,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:12,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:12,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:12,960 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:49:12,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:12,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:12,962 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:12,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:49:12,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:12,975 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:12,975 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:12,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:12,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:12,976 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:12,976 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:13,026 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 05:49:13,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:13,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:13,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:13,123 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:49:13,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:13,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:13,128 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:13,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:49:13,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:13,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:13,146 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:13,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:13,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:13,147 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:13,147 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:49:13,212 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 05:49:13,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:13,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:13,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:13,430 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:13,430 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:13,430 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:13,430 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:13,430 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:49:13,431 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:13,431 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:13,431 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:13,431 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Lasso [2021-11-20 05:49:13,431 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:13,431 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:13,434 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 05:49:13,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:49:13,440 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 05:49:13,467 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 05:49:13,788 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:13,788 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:49:13,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:13,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:13,803 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:13,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:49:13,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:13,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:13,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:49:13,856 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 05:49:13,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:13,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:13,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:13,890 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:13,892 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:13,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:13,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:49:13,901 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:49:13,901 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:49:13,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:13,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:13,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:13,928 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:13,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:49:13,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:13,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:14,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:14,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:14,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:14,008 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:14,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:49:14,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:49:14,009 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:14,059 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:49:14,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:14,083 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:14,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:14,083 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:14,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:14,083 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:49:14,083 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:14,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:14,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:14,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Lasso [2021-11-20 05:49:14,084 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:14,084 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:14,086 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 05:49:14,099 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 05:49:14,128 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 05:49:14,131 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 05:49:14,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:14,453 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:49:14,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:14,460 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:14,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:14,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:14,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:14,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:14,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:14,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:14,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:49:14,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:14,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:49:14,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:14,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:14,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:14,533 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:14,543 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 05:49:14,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:14,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:14,553 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:14,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:14,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:49:14,640 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2021-11-20 05:49:14,640 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 05:49:14,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:14,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:14,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:14,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:14,899 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:14,905 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:14,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:14,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:14,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:14,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:14,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:14,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:49:14,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:14,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:49:14,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:14,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:14,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:14,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:14,986 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:15,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:15,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:15,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:15,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:49:15,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:15,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:49:15,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:15,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:15,070 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:49:15,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:15,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:15,072 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,074 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 05:49:15,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:15,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:15,086 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:15,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:15,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:15,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:49:15,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:15,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:15,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:15,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:15,148 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:15,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:49:15,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,162 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:15,162 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:15,285 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-11-20 05:49:15,285 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 05:49:15,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:15,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:15,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:15,811 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,820 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 05:49:15,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:15,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:15,832 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:15,833 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:15,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:15,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:49:15,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:15,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 05:49:15,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:15,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:15,874 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:49:15,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:15,885 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,885 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:15,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:15,886 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:15,886 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:15,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:15,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:15,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-11-20 05:49:15,913 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:49:15,914 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:15,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:15,914 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:49:15,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:15,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:15,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:15,927 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:15,928 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:15,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:15,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:15,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:15,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:15,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:15,966 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:15,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:49:15,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:15,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:15,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:15,980 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:15,980 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:16,136 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-11-20 05:49:16,136 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-11-20 05:49:16,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:16,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:16,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:16,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:16,690 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:16,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 05:49:16,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:16,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:16,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:16,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:16,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:16,702 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:16,702 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:16,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:16,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:16,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:16,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:16,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:16,763 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:16,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 05:49:16,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:16,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:16,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:16,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:16,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:16,773 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:16,776 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:16,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:16,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:16,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:16,825 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:49:16,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:16,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:16,827 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:16,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:16,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:16,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:16,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:16,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:16,848 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:16,852 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:16,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:16,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 05:49:16,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:16,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:16,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:16,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:16,906 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:16,912 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:16,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:16,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:16,925 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:16,926 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:16,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 05:49:17,096 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-11-20 05:49:17,096 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-11-20 05:49:17,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:17,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:17,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:17,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:17,944 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:17,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 05:49:17,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:17,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:17,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:17,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:17,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:17,959 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:17,960 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:17,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:17,961 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:17,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-20 05:49:17,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:17,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:17,986 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:17,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 05:49:17,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:17,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:17,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:17,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:17,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:17,997 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:17,998 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:17,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:18,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:18,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:18,029 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:49:18,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:18,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,030 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 05:49:18,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:18,041 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:18,041 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:18,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:18,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:18,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:18,042 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:18,042 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:18,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:18,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:18,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 05:49:18,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:18,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,092 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 05:49:18,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:18,104 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:18,105 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:18,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:18,105 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:18,105 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:18,217 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-11-20 05:49:18,217 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 05:49:18,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:18,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:18,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:18,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,804 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 05:49:18,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:18,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:18,815 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:18,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:18,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:18,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:18,815 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:18,815 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:18,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:18,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:18,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-11-20 05:49:18,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,843 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 05:49:18,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:18,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:18,853 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:18,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:18,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:18,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:18,853 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:18,854 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:18,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:18,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:18,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:18,886 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:49:18,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,887 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:18,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 05:49:18,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:18,916 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:18,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:18,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:18,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:18,917 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:18,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:18,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:18,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:18,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:18,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:18,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:18,945 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:18,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 05:49:18,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:18,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:18,961 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:18,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:18,962 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:18,962 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:19,088 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-11-20 05:49:19,089 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-11-20 05:49:21,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:21,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:21,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:21,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:21,337 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:21,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 05:49:21,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:21,349 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:21,349 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:21,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:21,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:21,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:21,349 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:21,350 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:21,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:21,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:21,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 05:49:21,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:21,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:21,377 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:21,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 05:49:21,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:21,388 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:21,388 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:21,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:21,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:21,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:21,389 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:21,389 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:21,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:21,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:21,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:21,459 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:49:21,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:21,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:21,460 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:21,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:21,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:21,474 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:21,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:21,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:21,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:21,474 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:21,476 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:21,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:21,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 05:49:21,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:21,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:21,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:21,526 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:21,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 05:49:21,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:21,538 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:21,538 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:21,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:21,539 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:21,539 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:21,756 INFO L401 nArgumentSynthesizer]: We have 120 Motzkin's Theorem applications. [2021-11-20 05:49:21,756 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-11-20 05:49:32,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:32,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:32,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:32,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:32,181 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:32,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 05:49:32,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:32,192 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:32,192 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:32,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:32,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:32,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:32,193 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:32,194 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:32,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:32,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:32,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 05:49:32,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:32,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:32,227 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:32,231 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:32,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 05:49:32,241 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:32,241 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:32,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:32,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:32,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:32,241 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:32,242 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:32,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:32,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:32,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:32,270 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:49:32,270 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:32,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:32,271 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:32,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:32,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 05:49:32,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:32,285 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:32,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:32,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:32,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:32,285 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:32,286 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:32,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:32,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:32,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 05:49:32,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:32,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:32,310 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:32,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 05:49:32,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:32,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:32,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:32,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:32,321 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:32,321 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:32,449 INFO L401 nArgumentSynthesizer]: We have 96 Motzkin's Theorem applications. [2021-11-20 05:49:32,449 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-11-20 05:49:33,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:33,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:33,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:33,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:33,058 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:33,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 05:49:33,060 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:33,069 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:33,069 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:33,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:33,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:33,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:33,069 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:33,071 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:33,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:33,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:33,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:33,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:33,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:33,098 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:33,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 05:49:33,100 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 05:49:33,109 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:33,109 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:33,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:33,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:33,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:33,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:33,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:33,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:33,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:33,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:33,153 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:49:33,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:33,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:33,154 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:33,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 05:49:33,156 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 05:49:33,165 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:33,165 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:33,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:33,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:33,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:33,166 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:49:33,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:49:33,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:33,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:33,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 05:49:33,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:33,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:33,195 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:33,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:33,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 05:49:33,207 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:33,207 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:33,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:33,208 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:33,208 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:49:33,429 INFO L401 nArgumentSynthesizer]: We have 144 Motzkin's Theorem applications. [2021-11-20 05:49:33,430 INFO L402 nArgumentSynthesizer]: A total of 24 supporting invariants were added. [2021-11-20 05:49:37,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:37,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:37,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:37,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:37,368 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:37,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 05:49:37,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:37,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:37,378 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:37,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:37,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:37,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:37,379 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:49:37,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:49:37,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:37,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:37,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 05:49:37,408 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:37,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:37,409 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 05:49:37,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:37,419 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:37,420 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:37,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:37,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:37,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:37,420 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:49:37,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:49:37,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:37,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:37,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 05:49:37,448 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 05:49:37,448 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 8#L49-2true assume !false; 14#L39true assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1 + main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 - main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-20 05:49:37,448 INFO L793 eck$LassoCheckResult]: Loop: 8#L49-2true assume !false; 14#L39true assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1 + main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 - main_~x~0#1 * main_~y~0#1); 11#L42true assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1; 8#L49-2true [2021-11-20 05:49:37,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:37,449 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 2 times [2021-11-20 05:49:37,449 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:37,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667487396] [2021-11-20 05:49:37,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:37,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:37,457 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:49:37,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [581026935] [2021-11-20 05:49:37,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:49:37,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:37,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:37,476 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:37,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-20 05:49:37,521 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 05:49:37,521 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:49:37,522 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:37,532 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:37,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:37,533 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 2 times [2021-11-20 05:49:37,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:37,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432979845] [2021-11-20 05:49:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:37,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:37,537 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:49:37,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [879905339] [2021-11-20 05:49:37,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:49:37,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:37,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:37,567 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:37,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-20 05:49:37,594 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 05:49:37,594 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:49:37,595 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:37,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:37,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:49:37,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1389889732, now seen corresponding path program 3 times [2021-11-20 05:49:37,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:49:37,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364911874] [2021-11-20 05:49:37,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:49:37,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:49:37,608 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:49:37,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1888849842] [2021-11-20 05:49:37,608 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 05:49:37,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:49:37,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:37,611 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:49:37,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-20 05:49:37,795 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 05:49:37,795 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:49:37,795 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:49:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:49:37,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:49:38,014 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:38,014 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:38,014 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:38,014 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:38,015 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:49:38,015 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,015 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:38,015 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:38,015 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Loop [2021-11-20 05:49:38,015 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:38,016 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:38,017 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 05:49:38,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:38,309 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:49:38,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:38,312 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:38,317 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:38,317 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:38,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 05:49:38,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:38,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:38,375 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:38,377 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:49:38,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:38,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 05:49:38,427 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:49:38,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:38,459 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:38,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:38,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:38,460 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:38,460 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:49:38,460 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:38,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:38,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Loop [2021-11-20 05:49:38,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:38,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:38,462 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 05:49:38,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:38,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:49:38,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:38,752 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:38,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:38,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:38,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:38,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:38,768 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:38,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:38,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 05:49:38,776 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 05:49:38,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:38,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:38,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:38,830 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:49:38,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:38,831 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:38,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:38,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:38,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:38,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:38,848 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:38,848 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 05:49:38,861 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:49:38,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:38,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:38,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:38,933 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:49:38,934 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:38,935 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:38,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:38,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:38,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:38,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:38,950 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:38,950 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:38,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 05:49:38,966 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 05:49:38,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:39,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:39,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:39,042 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:49:39,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:39,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:39,043 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:39,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 05:49:39,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:39,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:39,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:39,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:39,056 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:39,056 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:39,073 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-20 05:49:39,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:39,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:39,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-20 05:49:39,121 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:49:39,121 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:39,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:39,122 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:39,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 05:49:39,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:39,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:39,133 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:39,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:39,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:39,133 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:39,133 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:39,145 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:49:39,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:39,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:39,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 05:49:39,235 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:49:39,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:39,236 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:39,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 05:49:39,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:39,262 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:39,262 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:39,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:39,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:39,262 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:39,262 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:39,294 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 05:49:39,294 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:39,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:39,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:39,582 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:49:39,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:39,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:39,583 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:39,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 05:49:39,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:39,595 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:39,595 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:39,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:39,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:39,595 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:39,595 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:39,651 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-11-20 05:49:39,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:40,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:40,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:40,716 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:49:40,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:40,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:40,717 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:40,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 05:49:40,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:40,727 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:40,727 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:40,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:40,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:40,728 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:40,728 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:40,751 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2021-11-20 05:49:40,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:40,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:40,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:40,817 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:49:40,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:40,818 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 05:49:40,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:40,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:40,832 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:40,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:40,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:40,832 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:40,832 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:49:40,858 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2021-11-20 05:49:40,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:40,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:40,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-20 05:49:41,135 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:41,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:41,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:41,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:41,136 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:49:41,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:41,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:41,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Lasso [2021-11-20 05:49:41,137 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:41,137 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:41,140 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 05:49:41,142 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 05:49:41,144 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 05:49:41,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:49:41,637 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:41,637 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:49:41,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:41,642 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:41,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 05:49:41,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:41,644 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:41,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:49:41,656 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 05:49:41,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 05:49:41,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:41,681 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:41,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 05:49:41,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:41,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:41,692 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:49:41,692 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:49:41,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:41,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:41,717 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:41,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 05:49:41,718 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:41,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:41,728 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:49:41,728 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 05:49:41,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:41,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:41,754 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:41,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 05:49:41,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:49:41,757 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:41,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:41,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:41,800 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:41,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 05:49:41,801 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:49:41,802 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:49:41,851 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:49:41,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:41,875 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:49:41,875 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:49:41,875 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:49:41,875 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:49:41,875 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:49:41,875 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:41,875 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:49:41,875 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:49:41,875 INFO L133 ssoRankerPreferences]: Filename of dumped script: prod4br-both-t.c_Iteration1_Lasso [2021-11-20 05:49:41,875 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:49:41,875 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:49:41,878 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 05:49:41,881 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 05:49:41,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:49:41,913 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 05:49:42,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:49:42,309 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:49:42,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,310 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 05:49:42,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:42,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:42,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:42,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:42,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:42,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:49:42,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:42,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:42,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:42,344 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,345 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 05:49:42,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:42,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:42,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:42,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:42,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:42,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:49:42,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:42,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:42,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-20 05:49:42,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,404 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 05:49:42,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:42,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,422 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:42,422 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:42,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:42,503 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2021-11-20 05:49:42,504 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-11-20 05:49:42,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:42,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-11-20 05:49:42,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,713 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 05:49:42,715 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 05:49:42,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:42,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:42,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:42,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:49:42,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:49:42,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:42,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:42,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-20 05:49:42,750 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:49:42,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,751 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 05:49:42,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:42,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:42,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:42,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:42,761 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:42,761 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:42,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:42,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:42,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-20 05:49:42,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,788 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 05:49:42,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:42,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:42,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:42,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:42,799 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:42,799 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:42,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:42,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:42,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:42,825 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:42,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:42,825 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:42,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 05:49:42,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:42,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:42,837 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:42,837 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:42,837 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:42,929 INFO L401 nArgumentSynthesizer]: We have 84 Motzkin's Theorem applications. [2021-11-20 05:49:42,929 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 05:49:43,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:43,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:43,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:43,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:43,296 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:43,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:43,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 05:49:43,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:43,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:43,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:43,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:43,313 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:43,313 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:43,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:43,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:43,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:43,339 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:49:43,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:43,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:43,340 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:43,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 05:49:43,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:43,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:43,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:43,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:43,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:43,350 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:43,350 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:43,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:43,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:43,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:43,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:43,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:43,377 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:43,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 05:49:43,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:43,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:43,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:43,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:43,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:43,387 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:43,388 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:43,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:43,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:43,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:43,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:43,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:43,415 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:43,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 05:49:43,424 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:43,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:43,436 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:43,436 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:43,436 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:43,560 INFO L401 nArgumentSynthesizer]: We have 112 Motzkin's Theorem applications. [2021-11-20 05:49:43,560 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-11-20 05:49:44,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:44,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:44,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:44,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:44,351 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:44,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 05:49:44,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:44,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:44,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:44,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:44,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:44,362 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:44,363 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:44,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:44,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:44,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:44,388 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:49:44,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:44,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:44,389 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:44,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 05:49:44,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:44,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:44,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:44,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:44,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:44,401 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:44,402 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:44,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:44,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:44,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:44,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:44,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:44,432 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:44,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 05:49:44,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:44,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:44,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:44,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:44,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:44,444 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:44,444 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:44,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:44,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:44,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-20 05:49:44,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:44,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:44,480 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:44,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 05:49:44,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:44,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:44,491 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:44,491 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:44,491 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:44,660 INFO L401 nArgumentSynthesizer]: We have 140 Motzkin's Theorem applications. [2021-11-20 05:49:44,660 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-11-20 05:49:45,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:45,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:45,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:45,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:45,524 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:45,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 05:49:45,526 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 05:49:45,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:49:45,534 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:45,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:45,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:45,535 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:45,535 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:45,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:45,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:45,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:45,561 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:49:45,561 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:45,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:45,562 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:45,564 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 05:49:45,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 05:49:45,573 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:45,573 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:45,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:45,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:45,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:45,573 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:45,574 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:45,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:45,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:45,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-11-20 05:49:45,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:45,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:45,608 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:45,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 05:49:45,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:45,619 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:45,619 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:45,619 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:45,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:45,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:45,619 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:45,620 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:45,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:45,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:45,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:45,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:45,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:45,649 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:45,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 05:49:45,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:45,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:45,660 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:45,660 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:45,660 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:45,660 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:45,777 INFO L401 nArgumentSynthesizer]: We have 84 Motzkin's Theorem applications. [2021-11-20 05:49:45,777 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2021-11-20 05:49:47,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:47,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-11-20 05:49:47,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:47,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:47,043 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:47,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 05:49:47,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:47,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:47,053 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:49:47,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:47,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:47,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:47,054 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:49:47,054 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:49:47,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:47,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:47,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:47,080 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:49:47,080 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:47,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:47,081 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:47,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 05:49:47,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:47,091 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:47,091 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:47,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:47,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:47,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:47,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:47,092 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:47,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:47,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:47,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:47,119 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:47,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:47,120 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:47,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 05:49:47,121 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:47,130 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:47,130 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:47,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:47,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:47,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:47,131 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:47,131 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:47,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:47,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:47,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-11-20 05:49:47,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:47,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:47,183 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:47,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:47,213 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:47,213 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:47,213 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:47,213 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:47,213 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:47,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 05:49:47,385 INFO L401 nArgumentSynthesizer]: We have 112 Motzkin's Theorem applications. [2021-11-20 05:49:47,385 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-11-20 05:49:54,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:54,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:54,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:54,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:54,752 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:54,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 05:49:54,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:54,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:54,762 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:49:54,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:54,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:54,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:54,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:49:54,763 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:49:54,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:54,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:54,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-11-20 05:49:54,790 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:49:54,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:54,791 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:54,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-20 05:49:54,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:54,802 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:54,802 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:54,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:54,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:54,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:54,802 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:54,803 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:54,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:54,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:54,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-20 05:49:54,831 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:54,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:54,832 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:54,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-20 05:49:54,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:49:54,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:54,843 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:54,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:49:54,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:49:54,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:49:54,843 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:54,844 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:49:54,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:49:54,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:49:54,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-20 05:49:54,872 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:49:54,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:49:54,873 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:49:54,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-20 05:49:54,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:49:54,885 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:49:54,885 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:49:54,885 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:49:54,885 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:49:54,885 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:49:55,103 INFO L401 nArgumentSynthesizer]: We have 140 Motzkin's Theorem applications. [2021-11-20 05:49:55,103 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2021-11-20 05:50:07,587 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-20 05:50:07,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:07,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:07,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:07,602 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:07,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-20 05:50:07,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:07,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:07,613 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:50:07,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:07,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:07,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:07,614 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:50:07,615 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:50:07,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:07,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:07,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:07,680 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:50:07,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:07,681 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:07,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:07,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:07,699 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:50:07,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:07,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:07,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:07,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:50:07,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:50:07,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:07,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-20 05:50:07,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:07,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-20 05:50:07,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:07,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:07,757 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:07,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-20 05:50:07,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:07,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:07,767 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:50:07,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:07,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:07,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:07,767 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:50:07,768 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:50:07,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:07,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:07,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:07,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:07,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:07,795 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:07,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-20 05:50:07,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:07,805 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:07,805 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:50:07,805 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:50:07,805 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:50:07,805 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:50:07,964 INFO L401 nArgumentSynthesizer]: We have 112 Motzkin's Theorem applications. [2021-11-20 05:50:07,964 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2021-11-20 05:50:09,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:09,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-20 05:50:09,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:09,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:09,029 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:09,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-20 05:50:09,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:09,039 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:09,039 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:50:09,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:09,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:09,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:09,040 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:50:09,041 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:50:09,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:09,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:09,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-20 05:50:09,067 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:50:09,067 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:09,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:09,068 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:09,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-20 05:50:09,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:09,078 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:09,078 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:50:09,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:09,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:09,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:09,078 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:50:09,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:50:09,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:09,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:09,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:09,106 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:09,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:09,106 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:09,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-20 05:50:09,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:09,117 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:09,117 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:50:09,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:09,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:09,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:09,117 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:50:09,118 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:50:09,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:09,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:09,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:09,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:09,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:09,146 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:09,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-20 05:50:09,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:09,157 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:09,157 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:50:09,157 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:50:09,157 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-11-20 05:50:09,158 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:50:09,376 INFO L401 nArgumentSynthesizer]: We have 168 Motzkin's Theorem applications. [2021-11-20 05:50:09,376 INFO L402 nArgumentSynthesizer]: A total of 24 supporting invariants were added. [2021-11-20 05:50:15,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:15,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:15,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:15,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:15,559 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:15,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-20 05:50:15,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:50:15,569 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:50:15,569 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:50:15,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:50:15,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:50:15,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:50:15,570 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:50:15,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:50:15,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:50:15,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:50:15,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-20 05:50:15,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:50:15 BoogieIcfgContainer [2021-11-20 05:50:15,604 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:50:15,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:50:15,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:50:15,605 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:50:15,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:49:08" (3/4) ... [2021-11-20 05:50:15,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:50:15,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:50:15,609 INFO L158 Benchmark]: Toolchain (without parser) took 67548.24ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 70.6MB in the beginning and 85.4MB in the end (delta: -14.8MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2021-11-20 05:50:15,610 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:15,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.53ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 81.5MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:50:15,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.08ms. Allocated memory is still 104.9MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:15,611 INFO L158 Benchmark]: Boogie Preprocessor took 51.87ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:50:15,612 INFO L158 Benchmark]: RCFGBuilder took 379.63ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 69.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 05:50:15,612 INFO L158 Benchmark]: BuchiAutomizer took 66734.88ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 69.7MB in the beginning and 85.4MB in the end (delta: -15.7MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2021-11-20 05:50:15,613 INFO L158 Benchmark]: Witness Printer took 3.79ms. Allocated memory is still 207.6MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:50:15,615 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 76.2MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.53ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 81.5MB in the end (delta: -11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.08ms. Allocated memory is still 104.9MB. Free memory was 81.5MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.87ms. Allocated memory is still 104.9MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.63ms. Allocated memory is still 104.9MB. Free memory was 79.0MB in the beginning and 69.9MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 66734.88ms. Allocated memory was 104.9MB in the beginning and 207.6MB in the end (delta: 102.8MB). Free memory was 69.7MB in the beginning and 85.4MB in the end (delta: -15.7MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. * Witness Printer took 3.79ms. Allocated memory is still 207.6MB. Free memory is still 85.4MB. There was no memory consumed. 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 66.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 66.5s. 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: inital59 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div456 bol100 ite100 ukn100 eq136 hnf47 smp67 dnf295 smp100 tf100 neg97 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unknown Degree: 3 Time: 12714ms VariablesStem: 10 VariablesLoop: 10 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 20 MotzkinApplications: 140 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - 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_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~a~0#1, main_~b~0#1, main_~p~0#1, main_~q~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" "assume !(main_~y~0#1 < 1);main_~a~0#1 := main_~x~0#1;main_~b~0#1 := main_~y~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "assume !false;" "assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1 + main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 - main_~x~0#1 * main_~y~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" Loop: "assume !false;" "assume !!(0 != main_~a~0#1 && 0 != main_~b~0#1 + main_~q~0#1 + main_~a~0#1 * main_~b~0#1 * main_~p~0#1 - main_~x~0#1 * main_~y~0#1);" "assume 0 == (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then main_~a~0#1 % 2 - 2 else main_~a~0#1 % 2) && 0 == (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then main_~b~0#1 % 2 - 2 else main_~b~0#1 % 2);main_~a~0#1 := (if main_~a~0#1 < 0 && 0 != main_~a~0#1 % 2 then 1 + main_~a~0#1 / 2 else main_~a~0#1 / 2);main_~b~0#1 := (if main_~b~0#1 < 0 && 0 != main_~b~0#1 % 2 then 1 + main_~b~0#1 / 2 else main_~b~0#1 / 2);main_~p~0#1 := 4 * main_~p~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 05:50:15,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2021-11-20 05:50:15,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:16,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2021-11-20 05:50:16,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 05:50:16,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-20 05:50:16,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72cdf97f-f491-4510-8f61-e5436fc2aed7/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_72cdf97f-f491-4510-8f61-e5436fc2aed7/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