./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/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_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/lcm1-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/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_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/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 f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:36:35,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:36:35,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:36:35,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:36:35,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:36:35,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:36:35,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:36:35,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:36:35,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:36:35,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:36:35,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:36:35,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:36:35,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:36:35,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:36:35,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:36:35,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:36:35,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:36:35,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:36:35,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:36:35,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:36:35,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:36:35,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:36:35,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:36:35,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:36:35,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:36:35,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:36:35,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:36:35,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:36:35,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:36:35,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:36:35,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:36:35,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:36:35,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:36:35,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:36:35,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:36:35,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:36:35,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:36:35,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:36:35,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:36:35,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:36:35,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:36:35,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:36:35,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:36:35,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:36:35,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:36:35,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:36:35,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:36:35,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:36:35,498 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:36:35,498 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:36:35,498 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:36:35,499 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:36:35,499 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:36:35,499 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:36:35,500 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:36:35,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:36:35,500 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:36:35,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:36:35,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:36:35,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:36:35,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:36:35,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:36:35,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:36:35,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:36:35,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:36:35,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:36:35,503 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:36:35,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:36:35,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:36:35,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:36:35,504 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:36:35,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:36:35,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:36:35,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:36:35,505 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:36:35,506 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_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97166581d7c89cb7c028865e4ba31beb356de109d407b734d3c678bd9fd1d9f [2021-11-20 05:36:35,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:36:35,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:36:35,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:36:35,784 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:36:35,785 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:36:35,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-20 05:36:35,860 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/data/36f676b24/25f08639f3f04100882cbcc05735bfad/FLAGc3a739727 [2021-11-20 05:36:36,299 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:36:36,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/sv-benchmarks/c/termination-nla/lcm1-both-t.c [2021-11-20 05:36:36,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/data/36f676b24/25f08639f3f04100882cbcc05735bfad/FLAGc3a739727 [2021-11-20 05:36:36,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/data/36f676b24/25f08639f3f04100882cbcc05735bfad [2021-11-20 05:36:36,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:36:36,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:36:36,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:36:36,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:36:36,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:36:36,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:36,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f4638d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36, skipping insertion in model container [2021-11-20 05:36:36,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:36,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:36:36,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:36:36,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:36:36,943 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:36:36,964 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:36:36,975 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:36:36,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36 WrapperNode [2021-11-20 05:36:36,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:36:36,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:36:36,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:36:36,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:36:36,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:36,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,006 INFO L137 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2021-11-20 05:36:37,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:36:37,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:36:37,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:36:37,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:36:37,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,031 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:36:37,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:36:37,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:36:37,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:36:37,048 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (1/1) ... [2021-11-20 05:36:37,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:37,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:37,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:36:37,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:36:37,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:36:37,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:36:37,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2021-11-20 05:36:37,176 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:36:37,178 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:36:37,287 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:36:37,294 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:36:37,294 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 05:36:37,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:37 BoogieIcfgContainer [2021-11-20 05:36:37,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:36:37,297 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:36:37,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:36:37,303 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:36:37,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:36:37,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:36:36" (1/3) ... [2021-11-20 05:36:37,306 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@454b6e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:36:37, skipping insertion in model container [2021-11-20 05:36:37,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:36:37,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:36:36" (2/3) ... [2021-11-20 05:36:37,307 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@454b6e8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:36:37, skipping insertion in model container [2021-11-20 05:36:37,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:36:37,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:36:37" (3/3) ... [2021-11-20 05:36:37,309 INFO L388 chiAutomizerObserver]: Analyzing ICFG lcm1-both-t.c [2021-11-20 05:36:37,369 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:36:37,369 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:36:37,369 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:36:37,369 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:36:37,369 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:36:37,370 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:36:37,370 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:36:37,370 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:36:37,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:37,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-20 05:36:37,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:37,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:37,417 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:36:37,417 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:36:37,417 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:36:37,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:37,421 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-20 05:36:37,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:37,421 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:37,422 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:36:37,422 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 05:36:37,429 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 6#L33true assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 10#L55-2true [2021-11-20 05:36:37,429 INFO L793 eck$LassoCheckResult]: Loop: 10#L55-2true assume !false; 5#L44true assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 12#L47-2true assume !true; 8#L55-1true assume !true; 10#L55-2true [2021-11-20 05:36:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:37,435 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 05:36:37,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:37,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045083262] [2021-11-20 05:36:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:37,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:37,555 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:37,603 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:37,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:37,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1421558, now seen corresponding path program 1 times [2021-11-20 05:36:37,606 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:37,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731593267] [2021-11-20 05:36:37,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:37,607 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:37,611 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:36:37,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934158410] [2021-11-20 05:36:37,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:37,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:36:37,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:37,614 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:36:37,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 05:36:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:37,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-20 05:36:37,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:37,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:37,682 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 05:36:37,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:37,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731593267] [2021-11-20 05:36:37,683 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 05:36:37,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934158410] [2021-11-20 05:36:37,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934158410] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:37,685 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:37,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 05:36:37,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049675882] [2021-11-20 05:36:37,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:37,690 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 05:36:37,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:37,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 05:36:37,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 05:36:37,765 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:37,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:36:37,774 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-20 05:36:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:36:37,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-20 05:36:37,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-20 05:36:37,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 11 transitions. [2021-11-20 05:36:37,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-20 05:36:37,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-20 05:36:37,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2021-11-20 05:36:37,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:37,786 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-20 05:36:37,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2021-11-20 05:36:37,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-20 05:36:37,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:37,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2021-11-20 05:36:37,814 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-20 05:36:37,814 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2021-11-20 05:36:37,814 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:36:37,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2021-11-20 05:36:37,816 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-20 05:36:37,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:37,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:37,817 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:36:37,817 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-20 05:36:37,818 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 46#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 51#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 50#L55-2 [2021-11-20 05:36:37,818 INFO L793 eck$LassoCheckResult]: Loop: 50#L55-2 assume !false; 47#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 48#L47-2 assume !false; 49#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 43#L55-1 assume !false; 44#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 50#L55-2 [2021-11-20 05:36:37,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:37,819 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-11-20 05:36:37,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:37,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342248071] [2021-11-20 05:36:37,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:37,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:37,849 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:37,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:37,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:37,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1365890956, now seen corresponding path program 1 times [2021-11-20 05:36:37,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:37,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938652382] [2021-11-20 05:36:37,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:37,864 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:37,867 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:36:37,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956320287] [2021-11-20 05:36:37,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:37,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:36:37,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:37,869 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:36:37,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 05:36:37,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:36:37,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-20 05:36:37,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:36:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:36:38,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 05:36:38,022 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:36:38,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938652382] [2021-11-20 05:36:38,022 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 05:36:38,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956320287] [2021-11-20 05:36:38,023 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956320287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:36:38,023 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:36:38,023 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:36:38,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014771233] [2021-11-20 05:36:38,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:36:38,024 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 05:36:38,024 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:36:38,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:36:38,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:36:38,029 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:36:38,460 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-20 05:36:38,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 05:36:38,461 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-20 05:36:38,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-20 05:36:38,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2021-11-20 05:36:38,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 05:36:38,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 05:36:38,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2021-11-20 05:36:38,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:36:38,464 INFO L681 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-20 05:36:38,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2021-11-20 05:36:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-20 05:36:38,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:36:38,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-20 05:36:38,467 INFO L704 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-20 05:36:38,467 INFO L587 BuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-20 05:36:38,467 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:36:38,467 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2021-11-20 05:36:38,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-11-20 05:36:38,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:36:38,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:36:38,469 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:36:38,469 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2021-11-20 05:36:38,469 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 [2021-11-20 05:36:38,469 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-20 05:36:38,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:38,470 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-11-20 05:36:38,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:38,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777652360] [2021-11-20 05:36:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,480 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,490 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:38,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 1 times [2021-11-20 05:36:38,491 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:38,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991189836] [2021-11-20 05:36:38,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:38,495 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:36:38,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384318067] [2021-11-20 05:36:38,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:38,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:36:38,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:38,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:36:38,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-20 05:36:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:38,651 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:39,803 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:39,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:36:39,804 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 1 times [2021-11-20 05:36:39,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:36:39,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006898321] [2021-11-20 05:36:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:39,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:36:39,810 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:36:39,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355803315] [2021-11-20 05:36:39,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:36:39,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:36:39,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:36:39,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:36:39,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-20 05:36:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:39,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:36:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:36:39,890 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:36:47,631 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:36:47,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:36:47,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:36:47,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:36:47,633 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:36:47,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:36:47,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:36:47,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:36:47,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-20 05:36:47,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:36:47,633 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:36:47,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:37:15,352 WARN L227 SmtUtils]: Spent 26.32s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:37:18,815 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:37:18,816 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:37:18,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:18,819 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:18,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:37:18,820 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:37:18,820 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:37:18,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 05:37:18,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:18,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:18,881 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:18,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:37:18,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:37:18,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:37:18,941 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:37:18,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-11-20 05:37:18,962 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:37:18,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:37:18,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:37:18,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:37:18,962 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:37:18,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:18,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:37:18,962 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:37:18,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-20 05:37:18,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:37:18,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:37:18,964 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 05:37:29,343 WARN L227 SmtUtils]: Spent 8.73s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:37:32,453 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:37:32,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:37:32,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:37:32,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:32,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:32,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:37:32,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:37:32,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:32,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:32,569 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:37:32,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,571 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:37:32,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:32,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:32,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,584 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:37:32,589 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:37:32,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:32,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:32,622 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:37:32,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,623 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:37:32,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:32,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:32,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,637 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:37:32,644 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:37:32,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:32,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:32,676 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:37:32,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,677 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 05:37:32,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:37:32,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:32,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,689 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:37:32,700 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:37:32,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:32,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:32,748 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:37:32,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,749 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:32,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:37:32,764 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:37:32,764 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:37:32,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,765 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:37:32,790 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:37:32,791 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:32,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:32,847 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:37:32,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,849 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:37:32,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:32,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:37:32,863 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:37:32,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,864 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:37:32,874 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:37:32,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:32,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:32,933 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:37:32,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:32,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:32,934 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:32,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:32,951 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:37:32,951 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:37:32,951 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:32,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:32,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:32,952 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:37:32,965 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:37:32,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:32,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:37:32,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:33,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:33,029 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:37:33,029 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:33,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:33,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:33,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:37:33,046 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:37:33,046 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:37:33,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:33,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:33,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:33,047 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:37:33,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:37:33,053 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:33,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:37:33,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:33,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:33,109 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:37:33,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:33,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:33,110 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:33,116 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:33,126 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:37:33,127 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:37:33,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:33,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:33,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:33,127 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:37:33,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:37:33,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:33,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:37:33,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:33,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:33,268 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:37:33,268 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:37:33,268 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:37:33,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:37:33,269 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:37:33,269 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:33,269 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:37:33,269 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:37:33,269 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-20 05:37:33,269 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:37:33,269 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:37:33,271 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 05:37:35,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:37:35,245 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 05:37:35,247 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 05:37:46,497 WARN L227 SmtUtils]: Spent 11.15s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:37:48,463 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:37:48,463 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:37:48,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:48,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:48,480 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:48,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:37:48,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:37:48,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:37:48,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:48,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:48,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:48,548 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:48,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:37:48,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:37:48,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:37:48,587 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:37:48,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:48,624 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:37:48,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:37:48,625 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:37:48,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:37:48,625 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:37:48,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:48,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:37:48,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:37:48,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Lasso [2021-11-20 05:37:48,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:37:48,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:37:48,627 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 05:37:48,635 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 05:37:48,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:37:48,640 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 05:37:56,859 WARN L227 SmtUtils]: Spent 5.86s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:37:59,687 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:37:59,687 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:37:59,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,691 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:37:59,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:59,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:59,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:37:59,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:37:59,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:59,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:59,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:59,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,726 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:37:59,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:37:59,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:59,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:37:59,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:37:59,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:59,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:59,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:59,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,779 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:37:59,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:59,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:59,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:37:59,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:37:59,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:59,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:59,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:59,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,812 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:37:59,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:37:59,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:37:59,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:37:59,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:37:59,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:59,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:59,896 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:37:59,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,897 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:37:59,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:59,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:59,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,906 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:37:59,906 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:37:59,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:59,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:59,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:59,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,928 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:37:59,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:59,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:59,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,937 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:37:59,938 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:37:59,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:59,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:37:59,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 05:37:59,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:37:59,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:37:59,959 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:37:59,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:37:59,962 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:37:59,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:37:59,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:37:59,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:37:59,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:37:59,971 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:37:59,972 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:37:59,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:37:59,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,011 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:38:00,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,023 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:00,040 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 05:38:00,041 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 05:38:00,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,094 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:38:00,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,095 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:38:00,096 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 05:38:00,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,103 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,104 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:00,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,162 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:00,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:38:00,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,171 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,172 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:00,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,209 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 05:38:00,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,219 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:00,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,261 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,283 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,301 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:38:00,301 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 05:38:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 05:38:00,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,361 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:38:00,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,362 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 05:38:00,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:00,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,376 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:00,377 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:00,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,415 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,416 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 05:38:00,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,428 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:00,429 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:00,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,431 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,456 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 05:38:00,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:00,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,465 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,465 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:00,465 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:00,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,490 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,490 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 05:38:00,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:00,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,503 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:00,528 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 05:38:00,528 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 05:38:00,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,592 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:38:00,592 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,594 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,613 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,613 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:00,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,613 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:00,614 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:38:00,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 05:38:00,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,664 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,679 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:00,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,680 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:00,680 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:38:00,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 05:38:00,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,733 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:00,748 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,748 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:00,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,749 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:00,750 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:38:00,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 05:38:00,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,771 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,772 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 05:38:00,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,783 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,783 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:00,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,783 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:00,794 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 05:38:00,794 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 05:38:00,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,843 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:38:00,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,844 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 05:38:00,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:00,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,853 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:38:00,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,853 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,854 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:00,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:00,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,878 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 05:38:00,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,887 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,888 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:38:00,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,888 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,889 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:00,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 05:38:00,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,924 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:00,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 05:38:00,933 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,933 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:38:00,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:00,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:00,934 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:00,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:00,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:00,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-11-20 05:38:00,983 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:00,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:00,984 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:00,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 05:38:00,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:00,994 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:00,994 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:38:00,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:00,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:00,994 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:01,008 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:38:01,008 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 05:38:01,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 05:38:01,056 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:38:01,056 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,057 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 05:38:01,059 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,066 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,066 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,067 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:01,068 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:01,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 05:38:01,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,092 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 05:38:01,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,101 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,101 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,101 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:01,103 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:01,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,142 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 05:38:01,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,151 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,152 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,152 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:01,153 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:01,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 05:38:01,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,176 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 05:38:01,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:01,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,189 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,189 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:01,210 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 05:38:01,210 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 05:38:01,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,287 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:38:01,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,292 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,303 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:01,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,304 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:01,304 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:01,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 05:38:01,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,352 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,363 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,363 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:01,363 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,364 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:01,364 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:01,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 05:38:01,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,421 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,432 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:01,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,433 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:01,435 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:01,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 05:38:01,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,488 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,501 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:01,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,501 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:01,517 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:38:01,517 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 05:38:01,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 05:38:01,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,585 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:38:01,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,586 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 05:38:01,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:01,597 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,597 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,598 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:38:01,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:38:01,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,649 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,651 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 05:38:01,660 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,660 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,661 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,661 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:38:01,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:38:01,662 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 05:38:01,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,712 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 05:38:01,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:01,720 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,721 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:01,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,721 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:38:01,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:38:01,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:01,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:01,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,785 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,792 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 05:38:01,803 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:01,803 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:01,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:01,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:01,804 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:38:01,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 05:38:01,833 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 05:38:01,833 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 05:38:01,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:01,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:01,914 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 05:38:01,914 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 96#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-20 05:38:01,915 INFO L793 eck$LassoCheckResult]: Loop: 95#L55-2 assume !false; 91#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 92#L47-2 assume !false; 93#L49 assume !(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 87#L55-1 assume !false; 88#L57 assume !!(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~y~0#1 := main_~y~0#1 - main_~x~0#1;main_~u~0#1 := main_~u~0#1 + main_~v~0#1; 98#L55-1 assume !false; 99#L57 assume !(main_~x~0#1 % 4294967296 < (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 95#L55-2 [2021-11-20 05:38:01,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:38:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash 137450356, now seen corresponding path program 2 times [2021-11-20 05:38:01,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:38:01,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260991652] [2021-11-20 05:38:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:38:01,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:38:01,924 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:38:01,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155885911] [2021-11-20 05:38:01,926 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:38:01,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:38:01,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:01,928 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:38:01,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2021-11-20 05:38:01,963 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:38:01,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:38:01,963 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:38:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:38:02,038 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:38:02,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:38:02,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1638780463, now seen corresponding path program 2 times [2021-11-20 05:38:02,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:38:02,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137186631] [2021-11-20 05:38:02,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:38:02,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:38:02,041 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:38:02,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [439382048] [2021-11-20 05:38:02,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:38:02,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:38:02,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:02,060 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:38:02,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2021-11-20 05:38:02,754 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:38:02,754 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:38:02,755 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:38:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:38:03,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:38:03,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:38:03,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1338088892, now seen corresponding path program 3 times [2021-11-20 05:38:03,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:38:03,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408811026] [2021-11-20 05:38:03,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:38:03,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:38:04,013 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:38:04,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762088447] [2021-11-20 05:38:04,013 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 05:38:04,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:38:04,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:04,028 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:38:04,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2021-11-20 05:38:04,071 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 05:38:04,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:38:04,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:38:04,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:38:04,814 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-20 05:38:04,815 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 05:38:04,815 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:38:04,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408811026] [2021-11-20 05:38:04,815 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-20 05:38:04,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762088447] [2021-11-20 05:38:04,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762088447] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:38:04,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:38:04,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:38:04,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090827026] [2021-11-20 05:38:04,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:38:13,982 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:38:13,982 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:38:13,982 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:38:13,982 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:38:13,982 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:38:13,982 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:13,982 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:38:13,982 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:38:13,982 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-20 05:38:13,982 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:38:13,982 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:38:13,983 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 05:38:35,245 WARN L227 SmtUtils]: Spent 19.70s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:38:39,206 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:38:39,206 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:38:39,207 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:39,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:39,211 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:39,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 05:38:39,212 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:38:39,212 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:38:39,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:39,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:39,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:39,248 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:39,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 05:38:39,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:38:39,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:38:39,271 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:38:39,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 05:38:39,290 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:38:39,291 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:38:39,291 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:38:39,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:38:39,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:38:39,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:39,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:38:39,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:38:39,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration3_Loop [2021-11-20 05:38:39,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:38:39,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:38:39,292 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 05:38:52,115 WARN L227 SmtUtils]: Spent 10.79s on a formula simplification. DAG size of input: 55 DAG size of output: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:38:58,758 WARN L227 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:38:58,759 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:38:58,759 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:38:58,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:58,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:58,760 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:58,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 05:38:58,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:58,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:58,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:58,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:58,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:58,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:38:58,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:38:58,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:58,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:58,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:58,828 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:38:58,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:58,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:58,829 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:58,844 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 05:38:58,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:58,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:58,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:58,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:58,854 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:58,857 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:38:58,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:58,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 05:38:58,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:58,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:58,904 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:38:58,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:58,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:58,905 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:58,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:58,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:58,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:58,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:58,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:58,917 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:58,921 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:58,921 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:58,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 05:38:58,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:58,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:58,965 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:38:58,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:58,966 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:58,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:58,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:38:58,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:58,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:58,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:58,979 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:58,984 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:58,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:59,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 05:38:59,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:59,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:59,057 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:38:59,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:59,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:59,058 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:59,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:59,082 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:59,082 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:59,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:59,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:59,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:59,082 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:38:59,086 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:38:59,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:59,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 05:38:59,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:59,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:59,130 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:38:59,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:59,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:59,131 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:59,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:59,144 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:59,144 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:38:59,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:59,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:59,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:59,145 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:59,150 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:59,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:59,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 05:38:59,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:59,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:59,204 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:38:59,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:59,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:59,206 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:59,208 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:59,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:59,218 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:59,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:59,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:59,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:59,219 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:38:59,226 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:38:59,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:59,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 05:38:59,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:59,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:59,294 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:38:59,294 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:59,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:59,295 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:59,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:38:59,306 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:59,307 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:38:59,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:59,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:59,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:59,307 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:38:59,311 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:38:59,311 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:59,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 05:38:59,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:59,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:59,356 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:38:59,356 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:38:59,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:38:59,357 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:38:59,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:38:59,372 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:38:59,372 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:38:59,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:38:59,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:38:59,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:38:59,373 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:38:59,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:38:59,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:38:59,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 05:38:59,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:38:59,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 05:38:59,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:38:59,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:38:59,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:38:59,436 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:39:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:39:00,353 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-11-20 05:39:00,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:39:00,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-11-20 05:39:00,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:39:00,357 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 17 states and 20 transitions. [2021-11-20 05:39:00,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-11-20 05:39:00,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-11-20 05:39:00,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2021-11-20 05:39:00,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:39:00,357 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:39:00,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2021-11-20 05:39:00,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-20 05:39:00,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:39:00,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-20 05:39:00,360 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:39:00,360 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:39:00,360 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 05:39:00,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-11-20 05:39:00,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:39:00,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:39:00,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:39:00,361 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:39:00,361 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:39:00,361 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-20 05:39:00,361 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-20 05:39:00,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:00,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1807031086, now seen corresponding path program 1 times [2021-11-20 05:39:00,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:00,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583293653] [2021-11-20 05:39:00,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:00,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:00,365 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:39:00,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [45861785] [2021-11-20 05:39:00,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:00,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:39:00,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:39:00,369 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:39:00,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2021-11-20 05:39:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:00,391 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:39:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:00,401 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:39:00,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:00,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 1 times [2021-11-20 05:39:00,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:00,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922533239] [2021-11-20 05:39:00,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:00,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:00,404 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:39:00,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706293045] [2021-11-20 05:39:00,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:00,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:39:00,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:39:00,408 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:39:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2021-11-20 05:39:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:00,426 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:39:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:00,431 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:39:00,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:39:00,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 2 times [2021-11-20 05:39:00,431 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:39:00,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352851649] [2021-11-20 05:39:00,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:39:00,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:39:00,436 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:39:00,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843261557] [2021-11-20 05:39:00,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:39:00,437 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:39:00,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:39:00,456 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:39:00,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2021-11-20 05:39:00,966 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:39:00,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:39:00,966 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:39:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:39:01,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:39:07,645 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:39:07,645 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:39:07,645 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:39:07,645 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:39:07,645 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:39:07,645 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:39:07,645 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:39:07,646 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:39:07,646 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-20 05:39:07,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:39:07,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:39:07,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:39:07,649 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 05:39:07,651 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 05:39:07,653 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 05:41:10,298 WARN L227 SmtUtils]: Spent 2.03m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:42:23,427 WARN L227 SmtUtils]: Spent 1.21m on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:42:23,989 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:42:23,989 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:42:23,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:23,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:23,990 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:23,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 05:42:23,993 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:42:23,993 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:42:24,004 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:42:24,004 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret1#1=0} Honda state: {ULTIMATE.start_main_#t~ret1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:42:24,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:24,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:24,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:24,035 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:24,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 05:42:24,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:42:24,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:42:24,048 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:42:24,048 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 05:42:24,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:24,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:24,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:24,069 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:24,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 05:42:24,070 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:42:24,070 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:42:24,088 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:42:24,088 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:42:24,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-11-20 05:42:24,109 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:24,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:24,110 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:24,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 05:42:24,111 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:42:24,111 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:42:24,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:24,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:24,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:42:24,142 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:42:24,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 05:42:24,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:42:24,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:42:24,165 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:42:24,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 05:42:24,185 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:42:24,185 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:42:24,185 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:42:24,185 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:42:24,185 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:42:24,185 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:42:24,185 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:42:24,185 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:42:24,186 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-20 05:42:24,186 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:42:24,186 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:42:24,187 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 05:42:25,125 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 05:42:25,128 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 05:42:25,130 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 05:43:53,802 WARN L227 SmtUtils]: Spent 1.48m on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:44:59,228 WARN L227 SmtUtils]: Spent 1.08m on a formula simplification that was a NOOP. DAG size: 57 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:44:59,590 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:44:59,590 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:44:59,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,592 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 05:44:59,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:44:59,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:44:59,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:44:59,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 05:44:59,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,661 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 05:44:59,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:44:59,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:44:59,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:44:59,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:44:59,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 05:44:59,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,693 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 05:44:59,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:44:59,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:44:59,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:44:59,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:44:59,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-20 05:44:59,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,722 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 05:44:59,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:44:59,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:44:59,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:44:59,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:44:59,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-20 05:44:59,751 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 05:44:59,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,752 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 05:44:59,753 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 05:44:59,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,761 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:44:59,771 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 05:44:59,771 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 05:44:59,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-11-20 05:44:59,811 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,812 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 05:44:59,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:44:59,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,822 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:44:59,822 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:44:59,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:44:59,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-20 05:44:59,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,847 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 05:44:59,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:44:59,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:44:59,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,856 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:44:59,856 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:44:59,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:44:59,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-20 05:44:59,878 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,879 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 05:44:59,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:44:59,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,889 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:44:59,889 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:44:59,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:44:59,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:44:59,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-20 05:44:59,919 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 05:44:59,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:44:59,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:44:59,920 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:44:59,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:44:59,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:44:59,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:44:59,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:44:59,933 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:44:59,946 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:44:59,946 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 05:44:59,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 05:44:59,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,012 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,013 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,017 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,027 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,028 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:00,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 05:45:00,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-20 05:45:00,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,071 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 05:45:00,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,080 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,080 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:00,080 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-20 05:45:00,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,101 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-20 05:45:00,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:00,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-11-20 05:45:00,131 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 05:45:00,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,132 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-20 05:45:00,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,142 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,155 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 05:45:00,155 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 05:45:00,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,201 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-20 05:45:00,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:45:00,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,210 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,210 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:45:00,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,232 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-11-20 05:45:00,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,243 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,243 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:45:00,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-11-20 05:45:00,289 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,290 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-11-20 05:45:00,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:00,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,299 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,299 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:45:00,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,320 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 05:45:00,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,320 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-11-20 05:45:00,321 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,329 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,329 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:00,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,330 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:45:00,341 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 05:45:00,341 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 05:45:00,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-11-20 05:45:00,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,382 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-11-20 05:45:00,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,390 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,390 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:00,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,390 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:45:00,391 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:45:00,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,414 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-11-20 05:45:00,415 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:45:00,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,422 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:00,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,423 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:45:00,423 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:45:00,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,446 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-11-20 05:45:00,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,454 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,454 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:00,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,455 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 05:45:00,455 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 05:45:00,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-11-20 05:45:00,516 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 05:45:00,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,517 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-11-20 05:45:00,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:45:00,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,526 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:45:00,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,527 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,538 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:45:00,538 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 05:45:00,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,591 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-11-20 05:45:00,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,600 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,600 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:45:00,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,600 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,601 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:00,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,623 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,623 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-11-20 05:45:00,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:45:00,632 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,632 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:45:00,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,633 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:00,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-11-20 05:45:00,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,660 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-11-20 05:45:00,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,669 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 05:45:00,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,669 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,669 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:00,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,692 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 05:45:00,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,692 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-11-20 05:45:00,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,702 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,702 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:00,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,702 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,719 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 05:45:00,719 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 05:45:00,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-11-20 05:45:00,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,788 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-11-20 05:45:00,789 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 05:45:00,797 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,797 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:00,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,797 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,798 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:45:00,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-11-20 05:45:00,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,822 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-11-20 05:45:00,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,831 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,831 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:00,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,831 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,832 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:45:00,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:00,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,883 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-11-20 05:45:00,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:45:00,892 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,892 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:00,892 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:00,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,893 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 05:45:00,894 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 05:45:00,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:00,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-11-20 05:45:00,917 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 05:45:00,917 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:00,917 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:00,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-11-20 05:45:00,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:00,926 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:00,926 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:00,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:00,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:00,927 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:00,942 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 05:45:00,942 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 05:45:00,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:00,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-11-20 05:45:00,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,002 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-11-20 05:45:01,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:01,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,011 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:01,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:01,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,011 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:01,011 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:01,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:01,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:01,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,033 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-11-20 05:45:01,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:45:01,042 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,042 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:01,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:01,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,042 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:01,043 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:01,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:01,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-11-20 05:45:01,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,065 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-11-20 05:45:01,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:01,073 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,073 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 05:45:01,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:01,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,073 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 05:45:01,074 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:01,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:01,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-11-20 05:45:01,103 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 05:45:01,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,103 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-11-20 05:45:01,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:01,113 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,113 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:01,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,114 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:45:01,135 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 05:45:01,135 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 05:45:01,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-11-20 05:45:01,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,192 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-11-20 05:45:01,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:01,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,202 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:01,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:01,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,202 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:45:01,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:45:01,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:01,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-11-20 05:45:01,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,226 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-11-20 05:45:01,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:01,235 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,235 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:01,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:01,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,235 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:45:01,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:45:01,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:01,238 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-11-20 05:45:01,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:01,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,261 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-11-20 05:45:01,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 05:45:01,270 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 05:45:01,270 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 05:45:01,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:01,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:01,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:01,270 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 05:45:01,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:45:01,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:01,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:01,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-11-20 05:45:01,300 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 05:45:01,301 INFO L791 eck$LassoCheckResult]: Stem: 190#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret0#1, main_#t~ret1#1, main_~a~0#1, main_~b~0#1, main_~x~0#1, main_~y~0#1, main_~u~0#1, main_~v~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~u~0#1;havoc main_~v~0#1;call main_#t~ret0#1 := __VERIFIER_nondet_unsigned_int();main_~a~0#1 := main_#t~ret0#1;havoc main_#t~ret0#1;call main_#t~ret1#1 := __VERIFIER_nondet_unsigned_int();main_~b~0#1 := main_#t~ret1#1;havoc main_#t~ret1#1; 197#L33 assume !(((main_~a~0#1 % 4294967296 < 1 || main_~b~0#1 % 4294967296 < 1) || main_~a~0#1 % 4294967296 > 65535) || main_~b~0#1 % 4294967296 > 65535);main_~x~0#1 := main_~a~0#1;main_~y~0#1 := main_~b~0#1;main_~u~0#1 := main_~b~0#1;main_~v~0#1 := 0; 196#L55-2 assume !false; 192#L44 assume !!(main_~x~0#1 % 4294967296 != (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296); 193#L47-2 assume !false; 204#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-20 05:45:01,301 INFO L793 eck$LassoCheckResult]: Loop: 195#L47-2 assume !false; 198#L49 assume !!(main_~x~0#1 % 4294967296 > (main_~y~0#1 + main_~x~0#1 * main_~u~0#1 + main_~y~0#1 * main_~v~0#1 - main_~a~0#1 * main_~b~0#1) % 4294967296);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~v~0#1 := main_~v~0#1 + main_~u~0#1; 195#L47-2 [2021-11-20 05:45:01,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:01,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1390087027, now seen corresponding path program 3 times [2021-11-20 05:45:01,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:01,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133695955] [2021-11-20 05:45:01,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:01,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:01,307 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:45:01,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394191660] [2021-11-20 05:45:01,307 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 05:45:01,307 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:45:01,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,324 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (113)] Waiting until timeout for monitored process [2021-11-20 05:45:01,837 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 05:45:01,838 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:45:01,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:01,915 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:01,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1926, now seen corresponding path program 2 times [2021-11-20 05:45:01,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:01,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128432110] [2021-11-20 05:45:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:01,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:01,918 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:45:01,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [176522387] [2021-11-20 05:45:01,919 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:45:01,919 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:45:01,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,925 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2021-11-20 05:45:01,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 05:45:01,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:45:01,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:01,953 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:01,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:01,954 INFO L85 PathProgramCache]: Analyzing trace with hash 138804856, now seen corresponding path program 4 times [2021-11-20 05:45:01,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:01,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318250714] [2021-11-20 05:45:01,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:01,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:01,960 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 05:45:01,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568996459] [2021-11-20 05:45:01,960 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-11-20 05:45:01,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:45:01,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:01,973 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:45:01,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-11-20 05:45:02,418 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-11-20 05:45:02,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 05:45:02,419 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:06,684 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:19,486 WARN L227 SmtUtils]: Spent 12.37s on a formula simplification. DAG size of input: 56 DAG size of output: 50 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 05:45:27,530 WARN L227 SmtUtils]: Spent 6.77s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-20 05:45:27,532 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:27,532 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:27,532 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:27,532 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:27,532 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:27,532 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:27,532 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:27,532 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:27,532 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-20 05:45:27,533 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:27,533 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:27,534 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 05:45:27,536 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 05:45:27,538 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 05:45:28,747 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 05:48:52,818 WARN L227 SmtUtils]: Spent 3.40m on a formula simplification. DAG size of input: 82 DAG size of output: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:50:11,994 WARN L227 SmtUtils]: Spent 1.31m on a formula simplification that was a NOOP. DAG size: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2021-11-20 05:50:13,838 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:50:13,838 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:50:13,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:13,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:13,841 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:13,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-11-20 05:50:13,843 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:50:13,843 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:50:13,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:50:13,852 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0#1=0} Honda state: {ULTIMATE.start_main_#t~ret0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:50:13,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-11-20 05:50:13,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:13,872 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:13,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-11-20 05:50:13,873 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:50:13,873 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:50:13,881 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:50:13,881 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 05:50:13,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-11-20 05:50:13,901 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:13,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:13,903 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:13,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-11-20 05:50:13,905 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:50:13,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:50:13,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-11-20 05:50:13,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:13,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:50:13,936 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:50:13,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-11-20 05:50:13,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:50:13,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:50:13,953 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:50:13,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cecabb0-32ab-4be8-a984-2dc3ccc31ece/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-11-20 05:50:13,973 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:50:13,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:50:13,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:50:13,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:50:13,973 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:50:13,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:50:13,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:50:13,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:50:13,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: lcm1-both-t.c_Iteration4_Lasso [2021-11-20 05:50:13,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:50:13,974 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:50:13,975 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 05:50:13,979 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 05:50:13,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:50:14,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true