./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0f57a241e2c58801cabb7fcf6419a1ee8415c4d2687e9efe6a7f86e17b88f5ca .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:38:41,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:38:41,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:38:41,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:38:41,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:38:41,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:38:41,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:38:41,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:38:41,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:38:41,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:38:41,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:38:41,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:38:41,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:38:41,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:38:41,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:38:41,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:38:41,622 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:38:41,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:38:41,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:38:41,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:38:41,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:38:41,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:38:41,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:38:41,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:38:41,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:38:41,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:38:41,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:38:41,652 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:38:41,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:38:41,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:38:41,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:38:41,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:38:41,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:38:41,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:38:41,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:38:41,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:38:41,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:38:41,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:38:41,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:38:41,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:38:41,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:38:41,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 08:38:41,701 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:38:41,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:38:41,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:38:41,702 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:38:41,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:38:41,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:38:41,704 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:38:41,704 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:38:41,705 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:38:41,705 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:38:41,705 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:38:41,705 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:38:41,705 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:38:41,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:38:41,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:38:41,706 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:38:41,706 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:38:41,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:38:41,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:38:41,707 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:38:41,707 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:38:41,707 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:38:41,708 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:38:41,708 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:38:41,708 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:38:41,708 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:38:41,709 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:38:41,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:38:41,709 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:38:41,710 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:38:41,710 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_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f57a241e2c58801cabb7fcf6419a1ee8415c4d2687e9efe6a7f86e17b88f5ca [2021-10-28 08:38:41,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:38:41,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:38:41,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:38:41,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:38:41,983 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:38:41,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-28 08:38:42,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/data/23c43cc10/729c3bbd49054af4bb28a3b6ccbea889/FLAGa5c8aadc8 [2021-10-28 08:38:42,554 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:38:42,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-28 08:38:42,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/data/23c43cc10/729c3bbd49054af4bb28a3b6ccbea889/FLAGa5c8aadc8 [2021-10-28 08:38:42,909 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/data/23c43cc10/729c3bbd49054af4bb28a3b6ccbea889 [2021-10-28 08:38:42,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:38:42,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:38:42,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:38:42,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:38:42,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:38:42,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:38:42" (1/1) ... [2021-10-28 08:38:42,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30387556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:42, skipping insertion in model container [2021-10-28 08:38:42,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:38:42" (1/1) ... [2021-10-28 08:38:42,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:38:42,953 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:38:43,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:38:43,136 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:38:43,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:38:43,160 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:38:43,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43 WrapperNode [2021-10-28 08:38:43,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:38:43,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:38:43,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:38:43,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:38:43,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:38:43,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:38:43,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:38:43,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:38:43,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,219 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:38:43,232 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:38:43,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:38:43,233 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:38:43,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (1/1) ... [2021-10-28 08:38:43,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:43,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:43,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:43,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:38:43,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:38:43,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:38:43,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:38:43,513 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 08:38:43,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:38:43 BoogieIcfgContainer [2021-10-28 08:38:43,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:38:43,519 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:38:43,519 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:38:43,523 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:38:43,524 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:38:43,524 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:38:42" (1/3) ... [2021-10-28 08:38:43,527 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c93e414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:38:43, skipping insertion in model container [2021-10-28 08:38:43,527 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:38:43,527 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:38:43" (2/3) ... [2021-10-28 08:38:43,528 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c93e414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:38:43, skipping insertion in model container [2021-10-28 08:38:43,528 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:38:43,528 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:38:43" (3/3) ... [2021-10-28 08:38:43,530 INFO L389 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c [2021-10-28 08:38:43,580 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:38:43,580 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:38:43,581 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:38:43,581 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:38:43,581 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:38:43,581 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:38:43,581 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:38:43,581 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:38:43,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:43,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:38:43,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:43,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:43,619 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 08:38:43,620 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:38:43,620 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:38:43,620 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:43,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:38:43,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:43,621 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:43,622 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 08:38:43,622 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:38:43,629 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 9#L23-1true [2021-10-28 08:38:43,629 INFO L793 eck$LassoCheckResult]: Loop: 9#L23-1true assume !!(main_~x~0 < 255); 5#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 8#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 9#L23-1true [2021-10-28 08:38:43,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:43,635 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 08:38:43,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:43,645 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426832434] [2021-10-28 08:38:43,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:43,647 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:43,714 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:43,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:43,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:43,736 INFO L85 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2021-10-28 08:38:43,737 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:43,737 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562597717] [2021-10-28 08:38:43,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:43,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:43,755 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:43,770 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:43,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:43,772 INFO L85 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2021-10-28 08:38:43,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:43,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944055637] [2021-10-28 08:38:43,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:43,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:43,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:38:43,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:43,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944055637] [2021-10-28 08:38:43,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944055637] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:43,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:38:43,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-28 08:38:43,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870061534] [2021-10-28 08:38:43,925 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:43,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:43,926 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:43,926 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:43,926 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:38:43,926 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:43,926 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:43,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:43,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-10-28 08:38:43,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:43,927 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:43,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:43,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:43,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:44,086 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:44,087 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:38:44,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:44,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:44,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:44,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:38:44,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:44,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:44,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:44,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:44,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:44,159 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:44,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:38:44,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:38:44,162 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:44,755 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:38:44,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:44,758 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:44,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:44,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:44,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:44,759 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:38:44,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:44,759 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:44,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:44,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration1_Loop [2021-10-28 08:38:44,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:44,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:44,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:44,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:44,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:44,861 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:44,866 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:38:44,867 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:44,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:44,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:44,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:38:44,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:44,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:44,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:44,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:44,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:44,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:44,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:44,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:44,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:44,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:44,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:44,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:44,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:44,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:44,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:44,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:44,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:44,957 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:44,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:44,959 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:44,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:44,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:38:44,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,021 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:38:45,027 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:45,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:45,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,101 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 08:38:45,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,103 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:38:45,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,122 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:45,126 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:45,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-28 08:38:45,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,210 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:38:45,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,219 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:45,220 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:45,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:45,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,276 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:38:45,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,289 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:45,290 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:45,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,315 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 08:38:45,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,316 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:38:45,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,326 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:45,333 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:45,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-28 08:38:45,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:38:45,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,389 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:45,389 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:45,391 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 08:38:45,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:38:45,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,461 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:45,463 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:45,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,513 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 08:38:45,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,514 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:38:45,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,525 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:45,530 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:45,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,586 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,604 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:45,604 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:45,606 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-10-28 08:38:45,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:38:45,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,661 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,665 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,671 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:45,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,681 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:45,683 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:45,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:38:45,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,750 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 08:38:45,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,752 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:45,768 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:45,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,768 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:45,772 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:45,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:38:45,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,828 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:45,844 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:45,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,844 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:45,844 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:45,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:45,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:38:45,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,905 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:38:45,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,917 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:45,917 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:45,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,918 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:45,920 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:45,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:45,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:45,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:45,971 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 08:38:45,971 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:45,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:45,972 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:45,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:45,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:38:45,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:45,985 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:45,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:45,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:45,986 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:45,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:45,991 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:45,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,074 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,100 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:46,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,100 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:46,100 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:46,104 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 08:38:46,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:38:46,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,145 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,146 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:38:46,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,155 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:46,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,155 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:46,158 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:46,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,213 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 08:38:46,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,215 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:38:46,219 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,227 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,227 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:46,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,228 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:46,233 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:46,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,292 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 08:38:46,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,302 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,302 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:46,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,302 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:46,302 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:46,307 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2021-10-28 08:38:46,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,376 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,388 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,388 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:46,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,388 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:46,391 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:46,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 08:38:46,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,427 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 08:38:46,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,428 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 08:38:46,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,438 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,438 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:46,438 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,439 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:46,442 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:46,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,503 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,504 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,520 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,520 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:46,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,520 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:46,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:46,522 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 08:38:46,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 08:38:46,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-28 08:38:46,565 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,566 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 08:38:46,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,576 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,576 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:46,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:46,577 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:46,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 08:38:46,601 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 08:38:46,601 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,604 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,615 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,615 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:46,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,616 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:46,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:46,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 08:38:46,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,669 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 08:38:46,672 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,680 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,680 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:46,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,681 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 08:38:46,681 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:46,683 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 08:38:46,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:46,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:46,710 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:46,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 08:38:46,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:46,719 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:46,719 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:46,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:46,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:46,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:46,719 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:46,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:46,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:46,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:46,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 08:38:46,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:46,773 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:46,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:46,783 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2021-10-28 08:38:46,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:46,788 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2021-10-28 08:38:46,789 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:38:46,792 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2021-10-28 08:38:46,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-28 08:38:46,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-28 08:38:46,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2021-10-28 08:38:46,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:38:46,794 INFO L681 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-28 08:38:46,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2021-10-28 08:38:46,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2021-10-28 08:38:46,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2021-10-28 08:38:46,813 INFO L704 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-28 08:38:46,813 INFO L587 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2021-10-28 08:38:46,813 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:38:46,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2021-10-28 08:38:46,814 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:38:46,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:46,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:46,814 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 08:38:46,814 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:38:46,814 INFO L791 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 30#L23-1 [2021-10-28 08:38:46,815 INFO L793 eck$LassoCheckResult]: Loop: 30#L23-1 assume !!(main_~x~0 < 255); 27#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-10-28 08:38:46,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:46,815 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2021-10-28 08:38:46,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:46,816 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787402669] [2021-10-28 08:38:46,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:46,816 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:46,819 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:46,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:46,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:46,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:46,824 INFO L85 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2021-10-28 08:38:46,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:46,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14435111] [2021-10-28 08:38:46,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:46,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:46,832 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:46,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:46,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:46,841 INFO L85 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2021-10-28 08:38:46,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:46,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725848265] [2021-10-28 08:38:46,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:46,842 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:46,854 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:46,864 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:46,894 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:46,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:46,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:46,894 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:46,895 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:38:46,895 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:46,895 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:46,895 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:46,895 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-28 08:38:46,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:46,895 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:46,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:46,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:46,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:47,006 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:47,007 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:38:47,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,008 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:47,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:47,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 08:38:47,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,082 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 08:38:47,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:38:47,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:47,215 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:38:47,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,221 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:47,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:47,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:47,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:47,221 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:38:47,221 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,221 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:47,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:47,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-28 08:38:47,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:47,222 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:47,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:47,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:47,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:47,327 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:47,328 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:38:47,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,334 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,338 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 [2021-10-28 08:38:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 08:38:47,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:47,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:47,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,402 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,404 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:47,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:47,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 08:38:47,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,469 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:47,486 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:47,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 08:38:47,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 08:38:47,522 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 08:38:47,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,523 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 08:38:47,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,533 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:47,534 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:47,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,561 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 08:38:47,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,571 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:47,572 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:47,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-10-28 08:38:47,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,594 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 08:38:47,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,606 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:47,606 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:47,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,642 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 08:38:47,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,643 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 08:38:47,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,664 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:47,668 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:47,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,723 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,753 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:47,754 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:47,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 08:38:47,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 08:38:47,790 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,791 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,795 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 [2021-10-28 08:38:47,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 08:38:47,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,803 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:47,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:47,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 08:38:47,829 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 08:38:47,830 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,830 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 08:38:47,832 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,839 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:47,842 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:47,842 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,873 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 08:38:47,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,883 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:47,884 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:47,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,906 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 08:38:47,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:47,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,922 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:47,922 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:47,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:47,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:47,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:47,980 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 08:38:47,980 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:47,981 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:47,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 08:38:47,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:47,991 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:47,991 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:47,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:47,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:47,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:47,991 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:47,994 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:47,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,039 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 08:38:48,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,048 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:48,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,048 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:48,049 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:48,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,085 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 08:38:48,103 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,104 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:48,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,104 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:48,105 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:48,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 08:38:48,126 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 08:38:48,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,127 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 08:38:48,152 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,152 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:48,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,152 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:48,155 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:48,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,208 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,209 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,222 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,232 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,232 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:48,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,232 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:48,235 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:48,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 08:38:48,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,281 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,295 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,295 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:48,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,295 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:48,301 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:48,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 08:38:48,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,347 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 08:38:48,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,349 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,351 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,360 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:48,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,361 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:48,365 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:48,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 08:38:48,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,430 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,433 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,446 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,446 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:48,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,447 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:48,449 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:48,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 08:38:48,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,498 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,511 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:48,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,511 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:48,513 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:48,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 08:38:48,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,558 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 08:38:48,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,562 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,577 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:48,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,577 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:48,580 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:48,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 08:38:48,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,628 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,640 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:48,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,641 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:48,642 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:48,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 08:38:48,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 08:38:48,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,688 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 08:38:48,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,699 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,699 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:48,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,700 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:48,701 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:48,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,746 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 08:38:48,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,748 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,764 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:48,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,764 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:48,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:48,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 08:38:48,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,828 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,843 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,843 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:48,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,843 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:48,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:48,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 08:38:48,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:48,902 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:48,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:48,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:48,916 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:48,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:48,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:48,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:48,917 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:48,918 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:48,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:48,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 08:38:48,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:48,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:48,971 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:48,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:48,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:48,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:48,971 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:38:48,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:48,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:48,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:48,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-10-28 08:38:48,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:48,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:48,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:48,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:48,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:48,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:48,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:49,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:49,054 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:38:49,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,055 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:49,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:49,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 08:38:49,076 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:38:49,076 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:38:49,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,097 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,099 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:49,099 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:49,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 08:38:49,109 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:38:49,109 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:38:49,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-28 08:38:49,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,130 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 08:38:49,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:49,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:49,166 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:38:49,166 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:38:49,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-28 08:38:49,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,189 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 08:38:49,191 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:49,191 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:49,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:38:49,211 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:38:49,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,244 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:49,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:49,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 08:38:49,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,378 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,379 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 08:38:49,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:38:49,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:49,579 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:38:49,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,582 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:49,582 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:49,582 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:49,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:49,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:38:49,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:49,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:49,582 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Lasso [2021-10-28 08:38:49,582 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:49,582 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:49,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:49,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:49,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:49,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:49,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:49,694 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:49,694 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:38:49,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,695 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 08:38:49,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:49,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:49,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:49,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:49,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:49,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:49,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:49,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:49,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:49,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,758 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,759 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:49,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:49,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:49,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:49,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:49,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:49,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:38:49,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 08:38:49,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:49,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-28 08:38:49,824 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,824 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 08:38:49,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:49,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:49,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:49,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:49,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:49,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:49,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:49,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:49,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:49,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,871 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 08:38:49,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:49,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:49,879 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:49,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:49,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:49,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:49,880 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:49,880 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:49,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:49,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,902 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 08:38:49,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:49,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:49,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:49,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:49,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:49,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:49,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:49,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:49,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:49,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:49,975 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 08:38:49,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:49,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:49,977 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:49,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:49,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:49,996 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:49,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:49,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:49,996 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:49,996 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:49,997 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:49,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 08:38:50,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,043 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,044 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,057 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,060 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 08:38:50,060 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 08:38:50,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 08:38:50,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-10-28 08:38:50,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,100 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 08:38:50,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,109 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,109 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,132 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 08:38:50,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,142 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,142 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 08:38:50,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,164 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 08:38:50,165 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 [2021-10-28 08:38:50,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,173 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,174 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 08:38:50,215 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 08:38:50,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,216 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 08:38:50,217 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,238 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:50,238 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:50,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,287 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,287 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 08:38:50,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,297 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:50,300 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 08:38:50,301 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 08:38:50,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-28 08:38:50,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,326 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 08:38:50,327 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 [2021-10-28 08:38:50,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,335 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:50,335 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:50,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,357 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,358 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 08:38:50,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,366 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:50,367 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:50,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-28 08:38:50,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,413 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 08:38:50,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,422 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:50,423 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:50,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 08:38:50,447 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 08:38:50,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,448 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 08:38:50,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,462 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:50,463 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:50,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,485 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,499 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 08:38:50,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,508 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:50,510 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-28 08:38:50,510 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-28 08:38:50,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 08:38:50,542 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,549 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 08:38:50,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,558 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:50,559 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:50,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,607 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,631 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,632 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:50,633 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:50,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 08:38:50,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,680 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:50,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,692 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:50,694 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:50,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 08:38:50,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,745 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 08:38:50,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,747 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,758 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:50,758 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:50,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,758 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,759 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 08:38:50,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,811 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 08:38:50,822 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:50,822 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:50,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,822 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,824 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 08:38:50,824 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 08:38:50,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:50,851 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,853 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 08:38:50,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,861 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:50,861 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:50,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,862 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,862 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 08:38:50,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,885 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 08:38:50,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,894 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:50,895 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:50,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,895 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,895 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-10-28 08:38:50,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,922 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-28 08:38:50,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:50,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:50,931 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:50,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,931 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:50,935 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:50,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:50,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-10-28 08:38:50,968 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 08:38:50,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:50,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:50,969 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:50,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-28 08:38:50,970 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 [2021-10-28 08:38:50,979 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:50,979 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:50,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:50,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:50,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:50,979 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:50,980 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:50,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:50,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,003 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 08:38:51,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,012 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,012 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:51,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,013 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,015 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 08:38:51,016 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 08:38:51,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-28 08:38:51,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,064 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 08:38:51,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,073 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,073 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:51,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,073 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,078 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-28 08:38:51,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,135 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 08:38:51,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,146 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:51,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,146 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,147 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,148 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,173 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,200 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 08:38:51,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,211 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,211 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:51,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,211 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,215 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,264 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 08:38:51,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,265 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,283 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,283 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,283 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:51,285 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:51,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 08:38:51,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 08:38:51,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,318 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 08:38:51,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,327 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,327 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,327 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:51,341 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-10-28 08:38:51,342 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-10-28 08:38:51,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,403 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,404 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,416 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,417 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,417 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:51,419 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:51,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 08:38:51,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,473 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,474 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,486 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,486 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,486 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,486 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:51,488 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:51,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 08:38:51,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,535 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,550 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 08:38:51,559 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,559 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,559 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:51,563 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:51,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,611 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 08:38:51,611 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,614 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,625 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:51,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 08:38:51,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,626 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,626 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,673 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 08:38:51,688 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,688 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:51,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,688 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,691 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 08:38:51,691 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 08:38:51,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,743 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,754 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,754 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:51,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,754 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,755 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 08:38:51,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,793 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,795 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 [2021-10-28 08:38:51,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,804 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:51,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,804 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,805 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 08:38:51,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,856 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,858 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 [2021-10-28 08:38:51,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,867 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:51,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,868 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:51,870 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:51,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 08:38:51,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,918 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 08:38:51,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,919 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,931 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:51,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,931 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:51,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:51,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:51,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 08:38:51,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:51,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:51,981 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:51,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:51,983 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:51,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:51,994 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:51,994 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:51,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:51,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:51,994 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:51,999 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-10-28 08:38:51,999 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-10-28 08:38:52,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 08:38:52,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:52,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 08:38:52,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,045 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 08:38:52,047 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:52,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:52,054 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:52,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:52,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:52,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:52,054 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:52,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:52,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:52,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:52,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:52,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,090 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 08:38:52,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:52,099 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:52,099 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:52,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:52,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:52,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:52,099 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:52,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:52,100 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:52,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:52,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 08:38:52,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,124 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 08:38:52,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:52,134 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:52,134 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:52,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:52,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:52,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:52,134 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:52,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:52,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:52,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:52,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 08:38:52,171 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-10-28 08:38:52,171 INFO L791 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 30#L23-1 assume !!(main_~x~0 < 255); 27#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-10-28 08:38:52,171 INFO L793 eck$LassoCheckResult]: Loop: 30#L23-1 assume !!(main_~x~0 < 255); 27#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 28#L18-2 assume !(0 != main_~debug~0); 30#L23-1 [2021-10-28 08:38:52,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:52,172 INFO L85 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2021-10-28 08:38:52,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:52,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773019009] [2021-10-28 08:38:52,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:52,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:52,178 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:52,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:52,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2021-10-28 08:38:52,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:52,188 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447972067] [2021-10-28 08:38:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:52,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:52,194 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:52,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:52,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2021-10-28 08:38:52,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:52,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740814570] [2021-10-28 08:38:52,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:52,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:38:52,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:38:52,254 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740814570] [2021-10-28 08:38:52,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740814570] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:38:52,255 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:38:52,255 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 08:38:52,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115309820] [2021-10-28 08:38:52,290 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:52,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:52,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:52,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:52,291 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:38:52,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:52,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:52,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-28 08:38:52,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:52,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:52,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:52,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:52,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:52,383 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:52,383 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:38:52,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,385 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:52,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:52,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 08:38:52,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:52,447 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,448 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:38:52,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:52,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 08:38:52,769 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:38:52,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:52,773 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:52,774 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:52,774 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:52,774 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:52,774 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:38:52,774 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,774 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:52,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:52,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration2_Loop [2021-10-28 08:38:52,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:52,774 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:52,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:52,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:52,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:52,876 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:52,876 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:38:52,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,882 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:52,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:52,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:52,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:52,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:52,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:52,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:52,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:52,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 08:38:52,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:52,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:52,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:52,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:52,943 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:52,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:52,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:52,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:52,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:52,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:52,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:52,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:52,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:52,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 08:38:52,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,003 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 08:38:53,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:53,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:53,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,036 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 08:38:53,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,037 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 08:38:53,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,046 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:53,047 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:53,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,071 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,072 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 08:38:53,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,080 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:53,081 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:53,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-28 08:38:53,103 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,104 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 08:38:53,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,113 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:53,114 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:53,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-10-28 08:38:53,135 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 08:38:53,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,136 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 08:38:53,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,146 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,147 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,171 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 08:38:53,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,180 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-28 08:38:53,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,203 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 08:38:53,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,212 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,212 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,234 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 08:38:53,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,235 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 08:38:53,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,244 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:53,246 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:53,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-10-28 08:38:53,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,270 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 08:38:53,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,279 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:53,281 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:53,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-10-28 08:38:53,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,309 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 08:38:53,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:53,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,319 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:53,319 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:53,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,366 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 08:38:53,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,369 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,381 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:53,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,381 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:53,383 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:53,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 08:38:53,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-10-28 08:38:53,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,417 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 08:38:53,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,426 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,426 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:53,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,427 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:53,427 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:53,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-10-28 08:38:53,448 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,449 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 08:38:53,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,458 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,458 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:53,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,459 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 08:38:53,459 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 08:38:53,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,481 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 08:38:53,481 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,482 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,484 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 08:38:53,492 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,492 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:53,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,492 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,494 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-10-28 08:38:53,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,523 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 08:38:53,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,533 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,533 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:53,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,533 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,535 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-10-28 08:38:53,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,562 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 08:38:53,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,571 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 08:38:53,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,572 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,572 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-10-28 08:38:53,595 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 08:38:53,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,596 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 08:38:53,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,618 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:53,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,618 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:53,644 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:53,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,702 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,704 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,717 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,718 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:53,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,718 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:53,720 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:53,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 08:38:53,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,778 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,782 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,795 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,795 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:53,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,796 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 08:38:53,799 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 08:38:53,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 08:38:53,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-10-28 08:38:53,847 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 08:38:53,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,847 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 08:38:53,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,856 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,856 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:53,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,856 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-28 08:38:53,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,886 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 08:38:53,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:53,894 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,894 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:53,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,895 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,909 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:53,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:53,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:53,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:53,953 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:53,962 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 [2021-10-28 08:38:53,972 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:53,972 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 08:38:53,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:53,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:53,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:53,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 08:38:53,973 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 08:38:53,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:53,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 08:38:53,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:54,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-10-28 08:38:54,014 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 08:38:54,015 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,015 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 08:38:54,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:54,024 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:54,024 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:54,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:54,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:54,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:54,024 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:54,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:54,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:54,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:54,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-10-28 08:38:54,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,056 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 08:38:54,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:54,064 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:54,064 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:54,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:54,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:54,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:54,065 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:54,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:54,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:54,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:54,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-10-28 08:38:54,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,094 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 08:38:54,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:54,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 08:38:54,103 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 08:38:54,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:54,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:54,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:54,103 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 08:38:54,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:38:54,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:54,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:54,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:54,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:38:54,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 08:38:54,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 08:38:54,143 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:54,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:38:54,170 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2021-10-28 08:38:54,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 08:38:54,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2021-10-28 08:38:54,171 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:38:54,171 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2021-10-28 08:38:54,171 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-28 08:38:54,172 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-10-28 08:38:54,172 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2021-10-28 08:38:54,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:38:54,172 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-28 08:38:54,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2021-10-28 08:38:54,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-10-28 08:38:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2021-10-28 08:38:54,173 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-28 08:38:54,173 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2021-10-28 08:38:54,173 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 08:38:54,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2021-10-28 08:38:54,174 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-28 08:38:54,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:38:54,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:38:54,174 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 08:38:54,174 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 08:38:54,175 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 53#L18-2 [2021-10-28 08:38:54,175 INFO L793 eck$LassoCheckResult]: Loop: 53#L18-2 assume !(0 != main_~debug~0); 56#L23-1 assume !!(main_~x~0 < 255); 52#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 53#L18-2 [2021-10-28 08:38:54,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:54,175 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-10-28 08:38:54,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:54,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955491206] [2021-10-28 08:38:54,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:54,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:54,182 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:54,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:54,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:54,189 INFO L85 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2021-10-28 08:38:54,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:54,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330726344] [2021-10-28 08:38:54,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:54,189 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:54,195 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:54,201 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:54,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2021-10-28 08:38:54,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:38:54,202 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734555680] [2021-10-28 08:38:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:38:54,202 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:38:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:54,211 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:38:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:38:54,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:38:54,244 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:54,244 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:54,244 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:54,244 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:54,244 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 08:38:54,244 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,244 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:54,245 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:54,245 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-10-28 08:38:54,245 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:54,245 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:54,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:54,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:54,293 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:54,293 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 08:38:54,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,294 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:54,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:54,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 08:38:54,325 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 08:38:54,326 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 08:38:54,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:54,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,362 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 08:38:54,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:54,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 08:38:54,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:54,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,423 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,425 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 08:38:54,425 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 08:38:54,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 08:38:54,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 08:38:54,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:54,473 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:38:54,473 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:38:54,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:38:54,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:38:54,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:38:54,474 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:38:54,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:38:54,474 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1.c_Iteration3_Loop [2021-10-28 08:38:54,474 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:38:54,474 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:38:54,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:54,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:38:54,535 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:38:54,535 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:38:54,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,536 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:54,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:54,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:54,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:54,552 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:54,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:54,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:54,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:54,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 08:38:54,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:38:54,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:54,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,579 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 08:38:54,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:38:54,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:38:54,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:38:54,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:38:54,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:38:54,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:38:54,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:38:54,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:38:54,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:38:54,614 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 08:38:54,614 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 08:38:54,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:38:54,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:38:54,622 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:38:54,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 08:38:54,623 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:38:54,623 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 08:38:54,624 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:38:54,624 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2021-10-28 08:38:54,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:54,665 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 08:38:54,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:38:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:54,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 08:38:54,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:38:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:38:54,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 08:38:54,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:38:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:38:54,740 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 08:38:54,741 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:54,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 14 transitions. Complement of second has 6 states. [2021-10-28 08:38:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 08:38:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:38:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2021-10-28 08:38:54,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-28 08:38:54,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:38:54,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-28 08:38:54,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:38:54,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-28 08:38:54,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:38:54,783 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2021-10-28 08:38:54,785 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:38:54,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-28 08:38:54,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:38:54,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:38:54,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:38:54,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:38:54,786 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:38:54,786 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:38:54,786 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:38:54,786 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 08:38:54,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:38:54,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:38:54,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:38:54,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:38:54 BoogieIcfgContainer [2021-10-28 08:38:54,795 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:38:54,796 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:38:54,796 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:38:54,796 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:38:54,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:38:43" (3/4) ... [2021-10-28 08:38:54,800 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:38:54,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:38:54,803 INFO L168 Benchmark]: Toolchain (without parser) took 11886.59 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 80.7 MB in the beginning and 68.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:54,803 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 119.5 MB. Free memory was 96.8 MB in the beginning and 96.8 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:38:54,804 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.26 ms. Allocated memory is still 119.5 MB. Free memory was 80.5 MB in the beginning and 96.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:54,804 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.77 ms. Allocated memory is still 119.5 MB. Free memory was 96.0 MB in the beginning and 94.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:38:54,805 INFO L168 Benchmark]: Boogie Preprocessor took 31.25 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 93.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:54,805 INFO L168 Benchmark]: RCFGBuilder took 285.39 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 85.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:54,806 INFO L168 Benchmark]: BuchiAutomizer took 11276.32 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 85.6 MB in the beginning and 69.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:54,806 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 144.7 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 981.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:38:54,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 119.5 MB. Free memory was 96.8 MB in the beginning and 96.8 MB in the end (delta: 65.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 241.26 ms. Allocated memory is still 119.5 MB. Free memory was 80.5 MB in the beginning and 96.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.77 ms. Allocated memory is still 119.5 MB. Free memory was 96.0 MB in the beginning and 94.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.25 ms. Allocated memory is still 119.5 MB. Free memory was 94.8 MB in the beginning and 93.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 285.39 ms. Allocated memory is still 119.5 MB. Free memory was 93.6 MB in the beginning and 85.6 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 11276.32 ms. Allocated memory was 119.5 MB in the beginning and 144.7 MB in the end (delta: 25.2 MB). Free memory was 85.6 MB in the beginning and 69.9 MB in the end (delta: 15.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.00 ms. Allocated memory is still 144.7 MB. Free memory was 69.8 MB in the beginning and 68.8 MB in the end (delta: 981.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 255 + -1 * x and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 10.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 11 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp81 ukn100 mio100 lsp100 div347 bol100 ite100 ukn100 eq148 hnf51 smp85 dnf100 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 20ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:38:54,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-28 08:38:55,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_975a3881-095f-4489-99d1-90e7547b115f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...