./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-nla/ps2-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/ps2-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22bc8b4cf01afcaae62bd4d165e21be0989176def672b1734c08f33480ca7dd6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:41:01,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:41:01,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:41:01,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:41:01,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:41:01,850 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:41:01,852 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:41:01,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:41:01,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:41:01,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:41:01,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:41:01,862 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:41:01,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:41:01,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:41:01,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:41:01,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:41:01,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:41:01,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:41:01,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:41:01,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:41:01,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:41:01,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:41:01,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:41:01,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:41:01,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:41:01,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:41:01,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:41:01,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:41:01,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:41:01,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:41:01,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:41:01,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:41:01,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:41:01,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:41:01,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:41:01,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:41:01,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:41:01,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:41:01,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:41:01,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:41:01,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:41:01,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-07 08:41:01,933 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:41:01,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:41:01,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:41:01,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:41:01,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:41:01,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:41:01,936 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:41:01,937 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:41:01,937 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:41:01,938 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:41:01,938 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:41:01,938 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:41:01,939 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:41:01,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:41:01,940 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 08:41:01,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:41:01,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:41:01,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 08:41:01,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:41:01,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:41:01,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:41:01,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:41:01,943 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 08:41:01,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:41:01,943 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:41:01,944 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:41:01,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:41:01,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:41:01,945 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:41:01,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:41:01,946 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:41:01,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:41:01,948 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:41:01,948 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_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22bc8b4cf01afcaae62bd4d165e21be0989176def672b1734c08f33480ca7dd6 [2021-11-07 08:41:02,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:41:02,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:41:02,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:41:02,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:41:02,379 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:41:02,380 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-nla/ps2-both-t.c [2021-11-07 08:41:02,475 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/data/34d729ca7/897c5c72947644eab639505e65a11f5f/FLAGfa592d90b [2021-11-07 08:41:03,029 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:41:03,030 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/sv-benchmarks/c/termination-nla/ps2-both-t.c [2021-11-07 08:41:03,037 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/data/34d729ca7/897c5c72947644eab639505e65a11f5f/FLAGfa592d90b [2021-11-07 08:41:03,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/data/34d729ca7/897c5c72947644eab639505e65a11f5f [2021-11-07 08:41:03,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:41:03,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:41:03,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:41:03,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:41:03,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:41:03,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d36695f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03, skipping insertion in model container [2021-11-07 08:41:03,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:41:03,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:41:03,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:41:03,661 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:41:03,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:41:03,692 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:41:03,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03 WrapperNode [2021-11-07 08:41:03,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:41:03,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:41:03,694 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:41:03,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:41:03,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:41:03,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:41:03,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:41:03,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:41:03,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,749 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:41:03,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:41:03,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:41:03,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:41:03,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (1/1) ... [2021-11-07 08:41:03,763 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:03,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:03,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:03,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:41:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:41:03,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:41:04,021 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:41:04,022 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-07 08:41:04,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:41:04 BoogieIcfgContainer [2021-11-07 08:41:04,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:41:04,030 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:41:04,030 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:41:04,035 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:41:04,036 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:41:04,036 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:41:03" (1/3) ... [2021-11-07 08:41:04,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24df83f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:41:04, skipping insertion in model container [2021-11-07 08:41:04,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:41:04,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:41:03" (2/3) ... [2021-11-07 08:41:04,040 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24df83f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:41:04, skipping insertion in model container [2021-11-07 08:41:04,040 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:41:04,040 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:41:04" (3/3) ... [2021-11-07 08:41:04,042 INFO L389 chiAutomizerObserver]: Analyzing ICFG ps2-both-t.c [2021-11-07 08:41:04,119 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:41:04,119 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:41:04,120 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:41:04,120 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:41:04,120 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:41:04,120 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:41:04,121 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:41:04,121 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:41:04,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:04,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-07 08:41:04,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:41:04,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:41:04,176 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-07 08:41:04,176 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 08:41:04,176 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:41:04,177 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:41:04,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-07 08:41:04,178 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:41:04,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:41:04,179 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-11-07 08:41:04,179 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-07 08:41:04,188 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~k~0, main_~y~0, main_~x~0, main_~c~0;havoc main_~k~0;havoc main_~y~0;havoc main_~x~0;havoc main_~c~0;main_~k~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 0;main_~x~0 := 0;main_~c~0 := 0; 5#L26-2true [2021-11-07 08:41:04,188 INFO L793 eck$LassoCheckResult]: Loop: 5#L26-2true assume !false; 6#L29true assume !!(main_~c~0 + main_~y~0 * main_~y~0 - 2 * main_~x~0 + main_~y~0 < main_~k~0);main_~c~0 := 1 + main_~c~0;main_~y~0 := 1 + main_~y~0;main_~x~0 := main_~y~0 + main_~x~0; 5#L26-2true [2021-11-07 08:41:04,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:04,197 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-11-07 08:41:04,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:04,211 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737482559] [2021-11-07 08:41:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:04,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:04,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:41:04,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:04,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:41:04,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:04,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-11-07 08:41:04,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:04,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765071932] [2021-11-07 08:41:04,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:04,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:04,323 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:41:04,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1060706969] [2021-11-07 08:41:04,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:04,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:04,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:41:04,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 08:41:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:04,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:41:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:04,390 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:41:04,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:04,392 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2021-11-07 08:41:04,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:04,392 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557107201] [2021-11-07 08:41:04,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:04,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:04,399 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:41:04,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826905684] [2021-11-07 08:41:04,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:04,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:04,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:04,402 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:41:04,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-07 08:41:04,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:04,453 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:41:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:04,465 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:41:04,640 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:04,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:04,641 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:04,642 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:04,642 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:41:04,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:04,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:04,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:04,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-07 08:41:04,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:04,643 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:04,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:04,758 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:04,759 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:41:04,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:04,803 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:04,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:04,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:04,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 08:41:04,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-07 08:41:04,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:04,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:04,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:04,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 08:41:04,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:41:04,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:04,906 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:41:04,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:04,945 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:04,945 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:04,945 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:04,945 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:04,946 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:41:04,946 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:04,946 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:04,946 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:04,946 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-07 08:41:04,946 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:04,947 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:04,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:05,024 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:05,029 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:41:05,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,046 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 08:41:05,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:05,062 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:05,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:41:05,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,126 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 08:41:05,126 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,131 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:05,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,151 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:05,156 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:05,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 08:41:05,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,202 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 08:41:05,203 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,204 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 08:41:05,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:05,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,217 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:05,224 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:05,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-11-07 08:41:05,285 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 08:41:05,286 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,287 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 08:41:05,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:05,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,303 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:05,315 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:05,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,387 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 08:41:05,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,391 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:05,413 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:05,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,414 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:05,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 08:41:05,429 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:05,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,498 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 08:41:05,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,500 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,519 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:05,519 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:05,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,520 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:05,529 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:05,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 08:41:05,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,600 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 08:41:05,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,602 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 08:41:05,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,624 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:05,624 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:05,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,625 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:05,645 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:05,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,736 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 08:41:05,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,738 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:05,778 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:05,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,779 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:05,784 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:05,785 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 08:41:05,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:05,843 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 08:41:05,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:05,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:05,846 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:05,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:05,864 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:05,865 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:05,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:05,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:05,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:05,866 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:05,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:05,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:05,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 08:41:05,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:05,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,010 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:06,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:06,011 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:06,011 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:06,011 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:41:06,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:06,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:06,012 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-07 08:41:06,012 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:06,012 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:06,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:06,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:06,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:06,130 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:06,130 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:41:06,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,132 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:06,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:06,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 08:41:06,163 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:41:06,163 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: [] [2021-11-07 08:41:06,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-11-07 08:41:06,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,187 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 08:41:06,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:06,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:06,198 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:41:06,198 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: [] [2021-11-07 08:41:06,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,229 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 08:41:06,234 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:06,234 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:06,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,284 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 08:41:06,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:41:06,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:06,315 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:41:06,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,356 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:06,357 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:06,357 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:06,357 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:06,357 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:41:06,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:06,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:06,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-07 08:41:06,357 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:06,357 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:06,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:06,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:06,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:06,477 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:06,477 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:41:06,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,479 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:06,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:06,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 08:41:06,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:41:06,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:06,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,559 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:06,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:06,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:41:06,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 08:41:06,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:06,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,620 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 08:41:06,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:06,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:06,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:41:06,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,694 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 08:41:06,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,699 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 08:41:06,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:06,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,715 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:06,716 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:06,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:06,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,777 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,779 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-07 08:41:06,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:06,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,791 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:06,791 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:06,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:06,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,819 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 08:41:06,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,830 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:06,854 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:41:06,854 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:41:06,878 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,921 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 08:41:06,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:06,926 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:06,929 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:06,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:06,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:06,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:06,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:06,940 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:06,942 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:06,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:06,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-07 08:41:06,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:06,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:06,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:06,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,000 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:07,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,014 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:07,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:07,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 08:41:07,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,068 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,069 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 08:41:07,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:07,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,080 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:07,091 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:41:07,091 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:41:07,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,134 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 08:41:07,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,135 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-07 08:41:07,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:07,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,146 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:07,146 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:07,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,150 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,172 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-07 08:41:07,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:07,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,182 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:07,183 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:07,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,246 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:07,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,262 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:07,273 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:41:07,273 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:41:07,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 08:41:07,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-07 08:41:07,324 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 08:41:07,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,325 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 08:41:07,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,336 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:07,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,336 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:07,337 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:07,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,368 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 08:41:07,371 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 [2021-11-07 08:41:07,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,379 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:07,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,379 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:07,380 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:07,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,430 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 08:41:07,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,446 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,446 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:07,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,446 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:07,459 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:41:07,459 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:41:07,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,527 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 08:41:07,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,528 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,543 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,543 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:07,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,543 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:07,546 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:07,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 08:41:07,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,614 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 08:41:07,616 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 [2021-11-07 08:41:07,625 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,625 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:07,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,626 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:07,627 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:07,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,654 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 08:41:07,657 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 [2021-11-07 08:41:07,666 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,666 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:07,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,667 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:07,678 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:41:07,678 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:41:07,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,792 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 08:41:07,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,793 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,814 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,814 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:07,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,814 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:07,816 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:07,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 08:41:07,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,874 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,889 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,889 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:07,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:07,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,890 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:07,891 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:07,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:07,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 08:41:07,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:07,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:07,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:07,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:07,944 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:07,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 08:41:07,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:07,956 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:07,956 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:07,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:07,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:07,956 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:07,973 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:41:07,973 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:41:08,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-07 08:41:08,108 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 08:41:08,108 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,110 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 08:41:08,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:08,127 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:08,127 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:08,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:08,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,128 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:08,128 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:08,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:08,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-07 08:41:08,162 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,163 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 08:41:08,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:08,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:08,173 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:08,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:08,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,174 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:08,176 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:08,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:08,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:08,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,203 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 08:41:08,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:08,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:08,215 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:08,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,216 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:08,231 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:41:08,231 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:41:08,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:08,291 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 08:41:08,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,293 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 08:41:08,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:08,303 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:08,303 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:08,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:08,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,304 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:08,305 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:08,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:08,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-07 08:41:08,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,334 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 08:41:08,336 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:08,344 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:08,344 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:08,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:08,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,345 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:08,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:08,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:08,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:08,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,372 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-07 08:41:08,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:08,405 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:08,406 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:08,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,406 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:08,430 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 08:41:08,430 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 08:41:08,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:08,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-07 08:41:08,499 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-07 08:41:08,499 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~k~0, main_~y~0, main_~x~0, main_~c~0;havoc main_~k~0;havoc main_~y~0;havoc main_~x~0;havoc main_~c~0;main_~k~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 0;main_~x~0 := 0;main_~c~0 := 0; 5#L26-2true assume !false; 6#L29true assume !!(main_~c~0 + main_~y~0 * main_~y~0 - 2 * main_~x~0 + main_~y~0 < main_~k~0);main_~c~0 := 1 + main_~c~0;main_~y~0 := 1 + main_~y~0;main_~x~0 := main_~y~0 + main_~x~0; 5#L26-2true [2021-11-07 08:41:08,500 INFO L793 eck$LassoCheckResult]: Loop: 5#L26-2true assume !false; 6#L29true assume !!(main_~c~0 + main_~y~0 * main_~y~0 - 2 * main_~x~0 + main_~y~0 < main_~k~0);main_~c~0 := 1 + main_~c~0;main_~y~0 := 1 + main_~y~0;main_~x~0 := main_~y~0 + main_~x~0; 5#L26-2true [2021-11-07 08:41:08,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:08,500 INFO L85 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 2 times [2021-11-07 08:41:08,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:08,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242087647] [2021-11-07 08:41:08,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:08,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:08,508 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:41:08,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605903541] [2021-11-07 08:41:08,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:41:08,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:08,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,519 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-07 08:41:08,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 08:41:08,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:41:08,562 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:41:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:08,570 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:41:08,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:08,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 2 times [2021-11-07 08:41:08,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:08,572 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410247926] [2021-11-07 08:41:08,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:08,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:08,575 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:41:08,576 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140253696] [2021-11-07 08:41:08,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-07 08:41:08,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:08,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,587 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2021-11-07 08:41:08,624 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-07 08:41:08,624 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:41:08,624 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:41:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:08,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:41:08,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:41:08,633 INFO L85 PathProgramCache]: Analyzing trace with hash 29865322, now seen corresponding path program 3 times [2021-11-07 08:41:08,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:41:08,633 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442265391] [2021-11-07 08:41:08,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:41:08,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:41:08,638 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-07 08:41:08,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1404560962] [2021-11-07 08:41:08,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-07 08:41:08,638 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:41:08,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,640 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2021-11-07 08:41:08,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-07 08:41:08,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-07 08:41:08,674 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:41:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:41:08,683 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:41:08,730 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:08,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:08,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:08,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:08,731 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:41:08,731 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:08,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:08,732 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-07 08:41:08,732 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:08,732 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:08,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:08,791 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:08,792 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:41:08,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,794 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-07 08:41:08,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:08,797 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:08,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:08,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,839 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-07 08:41:08,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:41:08,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:08,876 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:41:08,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:08,899 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:08,899 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:08,899 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:08,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:08,900 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:41:08,900 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,900 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:08,900 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:08,900 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-07 08:41:08,900 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:08,900 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:08,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:08,945 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:08,945 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:41:08,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:08,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:08,946 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:08,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-07 08:41:08,947 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 [2021-11-07 08:41:08,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:08,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:08,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:08,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:08,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:08,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:41:08,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:08,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,018 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 08:41:09,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,022 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-07 08:41:09,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:09,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,035 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:09,037 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:09,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,105 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 08:41:09,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,106 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:09,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,121 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:09,124 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:09,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-07 08:41:09,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,178 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 08:41:09,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,182 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-07 08:41:09,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:09,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,199 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:09,203 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:09,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,261 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 08:41:09,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,262 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-07 08:41:09,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,272 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:09,272 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:09,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,273 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:09,275 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:09,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,337 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 08:41:09,337 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,338 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-07 08:41:09,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,349 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:09,349 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:09,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,350 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:09,353 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:09,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-11-07 08:41:09,393 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 08:41:09,393 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,394 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-07 08:41:09,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,405 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:09,405 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:09,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,406 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:09,411 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:09,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,469 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 08:41:09,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,470 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-07 08:41:09,472 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,483 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:09,483 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:09,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,483 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:09,486 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:09,486 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,528 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 08:41:09,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,529 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-07 08:41:09,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:09,547 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:09,548 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:09,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:09,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:09,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:09,548 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:09,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:09,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:09,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:09,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,641 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:09,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:09,641 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:09,641 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:09,642 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-07 08:41:09,642 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:09,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:09,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-07 08:41:09,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:09,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:09,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:09,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:09,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:09,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:09,743 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-07 08:41:09,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,745 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,758 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:09,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:09,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-07 08:41:09,785 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:41:09,786 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: [] [2021-11-07 08:41:09,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,811 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-07 08:41:09,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:09,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:09,822 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-07 08:41:09,822 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: [] [2021-11-07 08:41:09,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,847 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-07 08:41:09,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:09,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-07 08:41:09,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:09,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:09,926 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:09,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-07 08:41:09,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-07 08:41:09,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-07 08:41:09,958 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-07 08:41:09,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-07 08:41:09,983 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:41:09,983 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:41:09,983 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:41:09,983 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:41:09,983 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:41:09,983 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:09,983 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:41:09,983 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:41:09,983 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-07 08:41:09,984 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:41:09,984 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:41:09,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:09,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:09,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:41:10,075 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:41:10,075 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:41:10,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,076 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-07 08:41:10,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:10,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:41:10,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-07 08:41:10,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,118 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-07 08:41:10,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:10,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:41:10,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-07 08:41:10,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,171 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-07 08:41:10,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:41:10,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:10,188 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:41:10,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-07 08:41:10,227 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-07 08:41:10,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,238 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-07 08:41:10,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,248 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:10,249 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:10,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,273 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-07 08:41:10,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,284 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:10,285 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:10,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-11-07 08:41:10,309 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,310 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-07 08:41:10,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:10,328 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:41:10,328 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:41:10,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-07 08:41:10,398 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-07 08:41:10,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,399 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,413 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:10,414 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:10,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-07 08:41:10,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,447 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-07 08:41:10,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,457 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:10,458 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:10,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,484 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-07 08:41:10,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,495 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:10,509 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:41:10,509 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:41:10,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,578 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-07 08:41:10,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,582 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,599 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:10,600 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:10,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-07 08:41:10,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,651 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,665 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:10,666 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:10,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-07 08:41:10,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,718 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:41:10,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,732 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:10,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-07 08:41:10,744 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:41:10,744 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:41:10,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,819 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-07 08:41:10,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,820 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,838 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:10,838 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:10,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,838 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:10,839 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:10,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-07 08:41:10,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,897 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,903 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 [2021-11-07 08:41:10,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:10,916 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:10,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:10,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,917 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:10,918 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-07 08:41:10,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:10,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-07 08:41:10,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:10,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:10,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:10,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:10,968 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:10,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:10,980 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:10,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:10,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:10,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:10,981 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-07 08:41:10,988 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-07 08:41:10,989 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-07 08:41:10,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-07 08:41:11,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,075 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-07 08:41:11,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,077 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,093 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,093 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:11,093 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,094 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:11,095 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:11,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-07 08:41:11,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,158 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,175 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,175 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:11,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,175 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:11,177 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:11,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-07 08:41:11,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,233 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,236 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 [2021-11-07 08:41:11,248 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,248 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-07 08:41:11,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,248 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:11,257 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:41:11,258 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:41:11,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-07 08:41:11,366 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,403 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-07 08:41:11,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,405 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,417 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:11,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,418 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:11,419 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:11,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-07 08:41:11,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,487 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,500 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,501 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:11,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,501 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:11,503 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-07 08:41:11,503 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-07 08:41:11,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,559 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,574 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,574 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:11,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,575 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-07 08:41:11,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-07 08:41:11,588 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-07 08:41:11,588 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-07 08:41:11,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-11-07 08:41:11,767 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-07 08:41:11,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,768 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-07 08:41:11,769 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 [2021-11-07 08:41:11,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,778 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:11,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:11,779 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:11,779 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:11,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,805 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-07 08:41:11,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,817 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,817 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:11,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,817 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:11,818 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-07 08:41:11,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-07 08:41:11,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,845 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-07 08:41:11,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:11,856 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,856 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-07 08:41:11,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,856 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-07 08:41:11,865 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-07 08:41:11,865 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-07 08:41:11,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:11,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-07 08:41:11,936 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-07 08:41:11,936 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:11,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:11,937 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:11,947 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 [2021-11-07 08:41:11,958 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:11,958 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:11,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:11,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:11,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:11,959 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:11,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:11,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:11,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-11-07 08:41:11,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:12,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:12,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:12,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:12,010 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:12,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:12,023 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:12,024 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:12,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:41:12,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:12,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:12,024 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:12,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:41:12,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:41:12,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-11-07 08:41:12,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:12,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-11-07 08:41:12,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:41:12,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:41:12,058 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:41:12,062 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:41:12,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-11-07 08:41:12,076 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-07 08:41:12,076 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-07 08:41:12,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:41:12,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:41:12,076 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-07 08:41:12,090 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-07 08:41:12,091 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-07 08:41:12,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:41:12,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:12,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:41:12 BoogieIcfgContainer [2021-11-07 08:41:12,206 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:41:12,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:41:12,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:41:12,207 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:41:12,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:41:04" (3/4) ... [2021-11-07 08:41:12,211 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:41:12,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:41:12,213 INFO L168 Benchmark]: Toolchain (without parser) took 8800.26 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 76.3 MB in the beginning and 68.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:12,214 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:41:12,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.97 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 81.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:12,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.70 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 79.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:41:12,216 INFO L168 Benchmark]: Boogie Preprocessor took 21.87 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 78.7 MB in the end (delta: 894.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:41:12,216 INFO L168 Benchmark]: RCFGBuilder took 274.87 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 71.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:12,217 INFO L168 Benchmark]: BuchiAutomizer took 8176.16 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 71.0 MB in the beginning and 68.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:41:12,217 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 161.5 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:41:12,220 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory was 63.1 MB in the beginning and 63.1 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 278.97 ms. Allocated memory is still 104.9 MB. Free memory was 76.1 MB in the beginning and 81.0 MB in the end (delta: -4.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.70 ms. Allocated memory is still 104.9 MB. Free memory was 80.8 MB in the beginning and 79.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.87 ms. Allocated memory is still 104.9 MB. Free memory was 79.6 MB in the beginning and 78.7 MB in the end (delta: 894.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 274.87 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 71.0 MB in the end (delta: 7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8176.16 ms. Allocated memory was 104.9 MB in the beginning and 161.5 MB in the end (delta: 56.6 MB). Free memory was 71.0 MB in the beginning and 68.7 MB in the end (delta: 2.4 MB). Peak memory consumption was 62.5 MB. Max. memory is 16.1 GB. * Witness Printer took 5.16 ms. Allocated memory is still 161.5 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital44 mio100 ax100 hnf93 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 110ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~k~0, main_~y~0, main_~x~0, main_~c~0;havoc main_~k~0;havoc main_~y~0;havoc main_~x~0;havoc main_~c~0;main_~k~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := 0;main_~x~0 := 0;main_~c~0 := 0;" "assume !false;" "assume !!(main_~c~0 + main_~y~0 * main_~y~0 - 2 * main_~x~0 + main_~y~0 < main_~k~0);main_~c~0 := 1 + main_~c~0;main_~y~0 := 1 + main_~y~0;main_~x~0 := main_~y~0 + main_~x~0;" Loop: "assume !false;" "assume !!(main_~c~0 + main_~y~0 * main_~y~0 - 2 * main_~x~0 + main_~y~0 < main_~k~0);main_~c~0 := 1 + main_~c~0;main_~y~0 := 1 + main_~y~0;main_~x~0 := main_~y~0 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-07 08:41:12,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:12,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2021-11-07 08:41:12,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2021-11-07 08:41:12,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-07 08:41:13,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 08:41:13,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b755c9ec-19d8-4b94-9542-6ab78da1e0b7/bin/uautomizer-AkOaLMaTGY/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN