./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/hard2-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/hard2-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09318cf675e9b95108fb52b17fe9685be47734cc0094cd07befb1b0aea734d9d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:44:28,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:44:28,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:44:28,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:44:28,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:44:28,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:44:28,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:44:28,479 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:44:28,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:44:28,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:44:28,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:44:28,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:44:28,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:44:28,495 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:44:28,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:44:28,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:44:28,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:44:28,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:44:28,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:44:28,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:44:28,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:44:28,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:44:28,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:44:28,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:44:28,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:44:28,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:44:28,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:44:28,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:44:28,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:44:28,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:44:28,535 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:44:28,536 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:44:28,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:44:28,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:44:28,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:44:28,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:44:28,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:44:28,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:44:28,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:44:28,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:44:28,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:44:28,547 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:44:28,595 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:44:28,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:44:28,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:44:28,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:44:28,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:44:28,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:44:28,604 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:44:28,605 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:44:28,605 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:44:28,605 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:44:28,606 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:44:28,606 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:44:28,607 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:44:28,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:44:28,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:44:28,607 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:44:28,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:44:28,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:44:28,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:44:28,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:44:28,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:44:28,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:44:28,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:44:28,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:44:28,609 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:44:28,610 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:44:28,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:44:28,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:44:28,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:44:28,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:44:28,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:44:28,613 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:44:28,615 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:44:28,615 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_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09318cf675e9b95108fb52b17fe9685be47734cc0094cd07befb1b0aea734d9d [2021-11-13 18:44:28,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:44:29,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:44:29,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:44:29,005 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:44:29,006 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:44:29,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-nla/hard2-both-t.c [2021-11-13 18:44:29,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/data/74b626190/8b5440c9314d49e48a89d5487c818c44/FLAGb416793da [2021-11-13 18:44:29,538 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:44:29,539 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/sv-benchmarks/c/termination-nla/hard2-both-t.c [2021-11-13 18:44:29,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/data/74b626190/8b5440c9314d49e48a89d5487c818c44/FLAGb416793da [2021-11-13 18:44:29,918 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/data/74b626190/8b5440c9314d49e48a89d5487c818c44 [2021-11-13 18:44:29,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:44:29,922 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:44:29,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:44:29,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:44:29,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:44:29,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:44:29" (1/1) ... [2021-11-13 18:44:29,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cf7a3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:29, skipping insertion in model container [2021-11-13 18:44:29,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:44:29" (1/1) ... [2021-11-13 18:44:29,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:44:29,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:44:30,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:44:30,179 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:44:30,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:44:30,230 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:44:30,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30 WrapperNode [2021-11-13 18:44:30,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:44:30,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:44:30,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:44:30,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:44:30,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,267 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:44:30,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:44:30,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:44:30,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:44:30,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:44:30,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:44:30,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:44:30,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:44:30,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (1/1) ... [2021-11-13 18:44:30,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:30,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:30,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:30,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:44:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:44:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:44:30,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:44:30,610 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:44:30,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:44:30 BoogieIcfgContainer [2021-11-13 18:44:30,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:44:30,616 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:44:30,616 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:44:30,620 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:44:30,620 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:44:30,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:44:29" (1/3) ... [2021-11-13 18:44:30,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@320b6370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:44:30, skipping insertion in model container [2021-11-13 18:44:30,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:44:30,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:44:30" (2/3) ... [2021-11-13 18:44:30,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@320b6370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:44:30, skipping insertion in model container [2021-11-13 18:44:30,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:44:30,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:44:30" (3/3) ... [2021-11-13 18:44:30,627 INFO L388 chiAutomizerObserver]: Analyzing ICFG hard2-both-t.c [2021-11-13 18:44:30,710 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:44:30,710 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:44:30,710 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:44:30,710 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:44:30,711 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:44:30,711 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:44:30,711 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:44:30,711 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:44:30,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:44:30,754 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-13 18:44:30,754 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:44:30,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:44:30,760 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:44:30,761 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:44:30,761 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:44:30,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.7) internal successors, (17), 10 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 18:44:30,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-11-13 18:44:30,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:44:30,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:44:30,764 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:44:30,764 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 18:44:30,771 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~A~0#1, main_~B~0#1, main_~r~0#1, main_~d~0#1, main_~p~0#1, main_~q~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~r~0#1;havoc main_~d~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~A~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~B~0#1 := 1;main_~r~0#1 := main_~A~0#1;main_~d~0#1 := main_~B~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 10#L33-2true [2021-11-13 18:44:30,772 INFO L793 eck$LassoCheckResult]: Loop: 10#L33-2true assume !false; 12#L37true assume !!(main_~B~0#1 * main_~p~0#1 - main_~d~0#1 + main_~r~0#1 >= main_~d~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1; 10#L33-2true [2021-11-13 18:44:30,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:30,778 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-13 18:44:30,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:30,789 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329761304] [2021-11-13 18:44:30,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:30,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:30,875 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:44:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:30,907 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:44:30,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:30,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-11-13 18:44:30,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:30,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266480692] [2021-11-13 18:44:30,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:30,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:30,927 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:44:30,929 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942286952] [2021-11-13 18:44:30,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:30,929 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:44:30,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:30,935 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:44:30,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:44:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:30,996 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:44:30,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:31,004 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:44:31,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:31,006 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-11-13 18:44:31,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:31,007 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959609339] [2021-11-13 18:44:31,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:31,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:31,013 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:44:31,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1465126428] [2021-11-13 18:44:31,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:31,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:44:31,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:31,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:44:31,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:44:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:31,100 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:44:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:31,109 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:44:31,265 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:44:31,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:44:31,266 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:44:31,266 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:44:31,266 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:44:31,266 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,266 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:44:31,267 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:44:31,267 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-13 18:44:31,267 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:44:31,268 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:44:31,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,417 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:44:31,417 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:44:31,420 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:31,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:31,431 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:44:31,431 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:44:31,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 18:44:31,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:31,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:31,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:31,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:44:31,523 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:44:31,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 18:44:31,570 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:44:31,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:31,611 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:44:31,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:44:31,612 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:44:31,612 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:44:31,612 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:44:31,612 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,612 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:44:31,612 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:44:31,612 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-13 18:44:31,612 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:44:31,613 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:44:31,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:44:31,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:44:31,781 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:44:31,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:31,790 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:31,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:31,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:31,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:31,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:31,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:44:31,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 18:44:31,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:44:31,822 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:44:31,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:31,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:31,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:31,884 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:31,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:31,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:31,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:31,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:31,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:31,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:44:31,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:44:31,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:31,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 18:44:31,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:31,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:31,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:31,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:31,961 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:31,968 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 [2021-11-13 18:44:31,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:31,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:31,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:31,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:44:31,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:44:31,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:44:31,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 18:44:32,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,047 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,053 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:32,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:44:32,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:44:32,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:32,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 18:44:32,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,124 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-13 18:44:32,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,126 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,142 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:32,146 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:44:32,146 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:44:32,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 18:44:32,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,205 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,206 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 18:44:32,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:32,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,221 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:32,223 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:44:32,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:32,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,273 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 18:44:32,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,296 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:32,323 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:44:32,323 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:44:32,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,390 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,392 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 18:44:32,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:32,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,410 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:32,412 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:44:32,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:32,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,476 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-13 18:44:32,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,478 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 18:44:32,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,494 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,495 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:32,500 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:44:32,500 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:44:32,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,556 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 18:44:32,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:32,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,568 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:32,569 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:44:32,569 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:32,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,591 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,592 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,593 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 [2021-11-13 18:44:32,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 18:44:32,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:32,619 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:44:32,620 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:44:32,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,713 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,715 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 18:44:32,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:32,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,730 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:32,731 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:44:32,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:32,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,779 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-13 18:44:32,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,782 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,809 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:32,816 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:44:32,817 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:44:32,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 18:44:32,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,870 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,871 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:32,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,895 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:32,896 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:44:32,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:32,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 18:44:32,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:32,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:32,954 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:32,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:32,955 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:32,966 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:32,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 18:44:32,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:32,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:32,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:32,978 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:32,994 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:44:32,995 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:44:33,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,095 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,106 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:44:33,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:33,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,116 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:33,117 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:44:33,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:33,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 18:44:33,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,165 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-13 18:44:33,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,166 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 18:44:33,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,182 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,182 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:33,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,183 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:33,187 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:44:33,187 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:44:33,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,246 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,258 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,258 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:33,258 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:33,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,259 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:33,263 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:44:33,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:33,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 18:44:33,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,323 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 18:44:33,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,335 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:33,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,336 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:33,346 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:44:33,346 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:44:33,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-11-13 18:44:33,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,705 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 18:44:33,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,715 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,715 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:33,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:33,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,715 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:44:33,716 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:44:33,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:33,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,756 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-13 18:44:33,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,757 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 18:44:33,775 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,775 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:44:33,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,776 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:33,780 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:44:33,780 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:44:33,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,839 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,851 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,852 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:44:33,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:33,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,852 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:33,853 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:44:33,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:33,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 18:44:33,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:33,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:33,911 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:33,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:33,912 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:33,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 18:44:33,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:33,924 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:33,924 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:44:33,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:33,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:33,924 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:33,943 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:44:33,943 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:44:46,002 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-13 18:44:46,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-13 18:44:46,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:46,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:46,007 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 18:44:46,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:46,021 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:46,021 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:44:46,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:46,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:46,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:46,021 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:46,023 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:44:46,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:46,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:46,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:46,075 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-13 18:44:46,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:46,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:46,076 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 18:44:46,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:46,086 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:46,086 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:46,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:46,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:46,087 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:46,092 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:44:46,092 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:44:46,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:46,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:46,144 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:46,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:46,145 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:46,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:46,162 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:46,162 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:46,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:46,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:46,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:46,162 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:46,165 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:44:46,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:46,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 18:44:46,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:46,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:46,216 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:46,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:46,218 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:46,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:46,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-13 18:44:46,238 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:46,238 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:46,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:46,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:46,238 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:46,285 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:44:46,285 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:44:58,364 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-13 18:44:58,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-13 18:44:58,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,369 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-13 18:44:58,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,383 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,383 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:58,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:58,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,383 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:44:58,385 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:44:58,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:58,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-11-13 18:44:58,434 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-13 18:44:58,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,435 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-13 18:44:58,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,446 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,446 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:58,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,447 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:58,450 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:44:58,450 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:44:58,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-13 18:44:58,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,497 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-13 18:44:58,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,506 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,506 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:58,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:58,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,507 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:58,508 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:44:58,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:58,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:58,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,531 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-13 18:44:58,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,540 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:58,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,540 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:58,549 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:44:58,550 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:44:58,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-11-13 18:44:58,643 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,644 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-13 18:44:58,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,652 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,652 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:44:58,652 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:58,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,653 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:44:58,654 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:44:58,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:58,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:58,710 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-13 18:44:58,710 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,720 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,722 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,731 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,732 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:58,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,732 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:44:58,736 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-13 18:44:58,737 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 18:44:58,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-13 18:44:58,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:58,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,786 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,789 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 [2021-11-13 18:44:58,798 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,798 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:58,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:58,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,799 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:44:58,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:44:58,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:58,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-13 18:44:58,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:58,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:58,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:58,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:58,854 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:58,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:58,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:58,869 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:58,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:58,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:58,869 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:44:58,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-13 18:44:58,885 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-13 18:44:58,885 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 18:44:59,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:59,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-13 18:44:59,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:44:59,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:59,695 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:44:59,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-13 18:44:59,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:44:59,703 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:44:59,704 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:44:59,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:44:59,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:44:59,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:44:59,704 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:44:59,705 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:44:59,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:44:59,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:44:59,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-13 18:44:59,728 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-13 18:44:59,728 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~A~0#1, main_~B~0#1, main_~r~0#1, main_~d~0#1, main_~p~0#1, main_~q~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~r~0#1;havoc main_~d~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~A~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~B~0#1 := 1;main_~r~0#1 := main_~A~0#1;main_~d~0#1 := main_~B~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0; 10#L33-2true assume !false; 12#L37true assume !!(main_~B~0#1 * main_~p~0#1 - main_~d~0#1 + main_~r~0#1 >= main_~d~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1; 10#L33-2true [2021-11-13 18:44:59,728 INFO L793 eck$LassoCheckResult]: Loop: 10#L33-2true assume !false; 12#L37true assume !!(main_~B~0#1 * main_~p~0#1 - main_~d~0#1 + main_~r~0#1 >= main_~d~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1; 10#L33-2true [2021-11-13 18:44:59,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:59,729 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 2 times [2021-11-13 18:44:59,729 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:59,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348351001] [2021-11-13 18:44:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:59,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:59,734 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:44:59,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1118337201] [2021-11-13 18:44:59,734 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:44:59,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:44:59,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:59,736 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:44:59,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-11-13 18:44:59,783 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:44:59,783 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:44:59,783 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:44:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:59,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:44:59,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:59,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2021-11-13 18:44:59,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:59,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618530456] [2021-11-13 18:44:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:59,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:59,801 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:44:59,802 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1322433207] [2021-11-13 18:44:59,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:44:59,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:44:59,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:59,808 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:44:59,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2021-11-13 18:44:59,850 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:44:59,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:44:59,850 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:44:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:59,857 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:44:59,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:44:59,858 INFO L85 PathProgramCache]: Analyzing trace with hash 889694157, now seen corresponding path program 3 times [2021-11-13 18:44:59,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:44:59,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042045657] [2021-11-13 18:44:59,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:44:59,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:44:59,862 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-13 18:44:59,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1725975737] [2021-11-13 18:44:59,864 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:44:59,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:44:59,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:44:59,866 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:44:59,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-13 18:44:59,913 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-13 18:44:59,913 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-13 18:44:59,913 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:44:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:44:59,920 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:45:00,001 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:45:00,001 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:45:00,001 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:45:00,001 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:45:00,001 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 18:45:00,001 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,001 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:45:00,001 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:45:00,002 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-13 18:45:00,002 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:45:00,002 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:45:00,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,095 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:45:00,095 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 18:45:00,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,101 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:45:00,107 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:45:00,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-13 18:45:00,139 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:45:00,139 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:45:00,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,178 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,179 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,181 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:45:00,181 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:45:00,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-13 18:45:00,202 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:45:00,202 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~q~0#1=0} Honda state: {ULTIMATE.start_main_~q~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:45:00,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,239 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:45:00,241 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:45:00,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-13 18:45:00,261 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 18:45:00,262 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 18:45:00,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,298 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 18:45:00,301 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:45:00,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-13 18:45:00,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,365 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,365 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 18:45:00,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 18:45:00,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-13 18:45:00,390 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 18:45:00,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,425 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 18:45:00,425 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 18:45:00,425 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 18:45:00,425 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 18:45:00,425 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 18:45:00,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 18:45:00,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 18:45:00,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: hard2-both-t.c_Iteration1_Lasso [2021-11-13 18:45:00,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 18:45:00,425 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 18:45:00,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 18:45:00,524 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 18:45:00,524 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 18:45:00,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,530 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:00,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:00,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:45:00,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:45:00,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:00,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-13 18:45:00,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,590 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,592 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 [2021-11-13 18:45:00,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,601 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:45:00,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:45:00,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:45:00,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-13 18:45:00,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,655 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,656 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,662 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 [2021-11-13 18:45:00,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:00,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:45:00,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 18:45:00,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:00,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-13 18:45:00,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,718 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:00,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 18:45:00,740 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:45:00,740 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 18:45:00,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-13 18:45:00,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,794 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-13 18:45:00,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,797 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:00,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:00,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,809 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:00,810 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:45:00,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:00,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-13 18:45:00,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:00,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,859 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:00,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,870 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:00,874 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:45:00,874 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:45:00,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-13 18:45:00,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-13 18:45:00,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,928 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-13 18:45:00,930 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 [2021-11-13 18:45:00,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:00,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,939 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:00,940 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:45:00,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:00,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:00,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-13 18:45:00,965 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:00,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:00,966 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:00,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-13 18:45:00,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:00,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:00,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:00,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:00,980 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:00,987 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:45:00,987 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:45:01,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,044 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-13 18:45:01,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,046 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-13 18:45:01,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:01,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,057 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:01,058 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:45:01,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:01,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,079 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-13 18:45:01,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,090 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:01,094 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:45:01,094 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:45:01,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,150 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:01,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,175 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:01,175 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:45:01,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:01,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-13 18:45:01,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,281 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,348 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:01,356 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:45:01,356 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:45:01,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-13 18:45:01,397 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,433 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-13 18:45:01,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,434 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:01,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,446 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:01,448 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:45:01,448 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:01,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-13 18:45:01,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,497 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,510 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:01,513 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:45:01,513 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:45:01,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-13 18:45:01,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,583 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,596 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,596 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:01,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,597 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:01,598 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:45:01,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:01,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-13 18:45:01,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,651 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 18:45:01,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,663 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:01,676 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:45:01,676 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:45:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-13 18:45:01,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,791 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-13 18:45:01,791 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,793 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,805 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:01,805 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:01,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:01,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,805 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:01,806 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:45:01,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:01,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-13 18:45:01,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,854 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,855 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:01,867 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:01,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,867 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:01,870 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:45:01,870 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:45:01,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-13 18:45:01,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,919 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:01,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-13 18:45:01,932 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:01,932 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:01,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:01,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:01,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:01,933 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:01,933 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-13 18:45:01,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:01,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:01,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:01,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:01,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:01,985 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:01,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:02,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:02,000 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:02,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:02,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:02,000 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-13 18:45:02,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-13 18:45:02,009 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-13 18:45:02,009 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-13 18:45:02,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:02,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-13 18:45:02,361 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-13 18:45:02,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:02,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:02,362 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:02,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-13 18:45:02,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:02,371 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:02,371 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:45:02,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:02,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:02,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:02,372 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:02,372 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:45:02,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:02,377 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:02,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-11-13 18:45:02,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:02,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:02,399 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:02,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:02,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-13 18:45:02,415 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:02,415 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:45:02,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:02,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:02,415 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:02,418 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:45:02,418 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:45:02,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:02,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-13 18:45:02,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:02,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:02,465 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:02,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-13 18:45:02,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:02,475 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:02,475 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:45:02,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:02,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:02,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:02,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:02,476 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:45:02,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:02,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:02,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:02,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:02,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:02,501 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:02,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-13 18:45:02,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:02,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:02,511 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-13 18:45:02,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:02,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:02,511 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:02,523 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:45:02,524 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:45:14,576 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-13 18:45:14,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-11-13 18:45:14,579 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-13 18:45:14,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:14,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:14,580 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:14,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-13 18:45:14,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:14,588 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:14,589 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:14,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:14,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:14,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:14,589 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:14,591 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:45:14,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:14,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:14,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:14,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:14,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:14,618 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:14,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-13 18:45:14,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:14,628 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:14,628 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:14,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:14,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:14,628 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:14,632 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:45:14,632 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:45:14,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:14,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:14,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:14,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:14,689 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:14,694 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 [2021-11-13 18:45:14,704 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:14,704 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:14,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:14,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:14,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:14,705 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:14,706 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-13 18:45:14,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:14,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-13 18:45:14,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:14,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:14,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:14,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:14,757 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:14,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:14,769 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:14,769 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:14,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:14,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:14,769 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-13 18:45:14,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-13 18:45:14,788 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-13 18:45:14,788 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-13 18:45:26,854 INFO L525 LassoAnalysis]: Proving termination failed: SMT Solver returned 'unknown'. [2021-11-13 18:45:26,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:26,858 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-13 18:45:26,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:26,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:26,859 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:26,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-13 18:45:26,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:26,868 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:26,868 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:26,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:26,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:26,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:26,869 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:26,869 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:45:26,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:26,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:26,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-11-13 18:45:26,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:26,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:26,893 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:26,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-13 18:45:26,895 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:26,903 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:26,903 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:26,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:26,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:26,903 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:26,906 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:45:26,906 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:45:26,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:26,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-11-13 18:45:26,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:26,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:26,961 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:26,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-13 18:45:26,962 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 [2021-11-13 18:45:26,972 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:26,972 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:26,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:26,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:26,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:26,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:26,973 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-13 18:45:26,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:26,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:26,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:26,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:26,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:26,999 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:27,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-13 18:45:27,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:27,010 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:27,010 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-13 18:45:27,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:27,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:27,010 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-13 18:45:27,020 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-13 18:45:27,020 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-13 18:45:27,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:27,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:27,126 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-13 18:45:27,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:27,127 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:27,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-13 18:45:27,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:27,145 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:27,146 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:27,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:27,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:27,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:27,146 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:45:27,147 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:45:27,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:27,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:27,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:27,197 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:27,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:27,198 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:27,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-13 18:45:27,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:27,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:27,208 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:27,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:27,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:27,209 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:45:27,213 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-13 18:45:27,213 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 18:45:27,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:27,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:27,275 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:27,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:27,278 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:27,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:27,291 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:27,291 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:27,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 18:45:27,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:27,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:27,292 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:45:27,293 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 18:45:27,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 18:45:27,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-13 18:45:27,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:27,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-13 18:45:27,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:45:27,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:45:27,334 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:45:27,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 18:45:27,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-13 18:45:27,348 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-13 18:45:27,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 18:45:27,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 18:45:27,348 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-13 18:45:27,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-13 18:45:27,365 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-13 18:45:27,365 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-13 18:45:28,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 18:45:28,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:28,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:45:28 BoogieIcfgContainer [2021-11-13 18:45:28,668 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:45:28,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:45:28,669 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:45:28,669 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:45:28,670 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:44:30" (3/4) ... [2021-11-13 18:45:28,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 18:45:28,673 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:45:28,674 INFO L158 Benchmark]: Toolchain (without parser) took 58751.65ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 56.5MB in the beginning and 63.6MB in the end (delta: -7.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-13 18:45:28,675 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:45:28,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.68ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 72.3MB in the end (delta: -16.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-13 18:45:28,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.04ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 71.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:45:28,676 INFO L158 Benchmark]: Boogie Preprocessor took 31.47ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 70.1MB in the end (delta: 970.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:45:28,677 INFO L158 Benchmark]: RCFGBuilder took 312.10ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 61.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:45:28,677 INFO L158 Benchmark]: BuchiAutomizer took 58052.22ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.4MB in the beginning and 64.0MB in the end (delta: -2.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2021-11-13 18:45:28,678 INFO L158 Benchmark]: Witness Printer took 4.37ms. Allocated memory is still 113.2MB. Free memory was 64.0MB in the beginning and 63.6MB in the end (delta: 429.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:45:28,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 72.5MB in the beginning and 72.5MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.68ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 72.3MB in the end (delta: -16.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.04ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 71.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.47ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 70.1MB in the end (delta: 970.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.10ms. Allocated memory is still 94.4MB. Free memory was 69.9MB in the beginning and 61.6MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 58052.22ms. Allocated memory was 94.4MB in the beginning and 113.2MB in the end (delta: 18.9MB). Free memory was 61.4MB in the beginning and 64.0MB in the end (delta: -2.6MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 4.37ms. Allocated memory is still 113.2MB. Free memory was 64.0MB in the beginning and 63.6MB in the end (delta: 429.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 57.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital41 mio100 ax100 hnf100 lsp92 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq178 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unknown Degree: 3 Time: 12098ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 5 MotzkinApplications: 15 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~A~0#1, main_~B~0#1, main_~r~0#1, main_~d~0#1, main_~p~0#1, main_~q~0#1;havoc main_~A~0#1;havoc main_~B~0#1;havoc main_~r~0#1;havoc main_~d~0#1;havoc main_~p~0#1;havoc main_~q~0#1;main_~A~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~B~0#1 := 1;main_~r~0#1 := main_~A~0#1;main_~d~0#1 := main_~B~0#1;main_~p~0#1 := 1;main_~q~0#1 := 0;" "assume !false;" "assume !!(main_~B~0#1 * main_~p~0#1 - main_~d~0#1 + main_~r~0#1 >= main_~d~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1;" Loop: "assume !false;" "assume !!(main_~B~0#1 * main_~p~0#1 - main_~d~0#1 + main_~r~0#1 >= main_~d~0#1);main_~d~0#1 := 2 * main_~d~0#1;main_~p~0#1 := 2 * main_~p~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-13 18:45:28,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2021-11-13 18:45:28,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2021-11-13 18:45:29,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:29,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:45:29,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-13 18:45:29,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cb7c4ed-ddf8-428e-9fcd-7e6d3adebc73/bin/uautomizer-YU5uOKAj3y/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN