./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-nla/ps2-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22bc8b4cf01afcaae62bd4d165e21be0989176def672b1734c08f33480ca7dd6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:02:32,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:02:32,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:02:33,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:02:33,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:02:33,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:02:33,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:02:33,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:02:33,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:02:33,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:02:33,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:02:33,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:02:33,066 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:02:33,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:02:33,069 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:02:33,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:02:33,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:02:33,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:02:33,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:02:33,080 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:02:33,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:02:33,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:02:33,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:02:33,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:02:33,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:02:33,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:02:33,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:02:33,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:02:33,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:02:33,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:02:33,108 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:02:33,109 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:02:33,110 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:02:33,111 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:02:33,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:02:33,113 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:02:33,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:02:33,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:02:33,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:02:33,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:02:33,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:02:33,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:02:33,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:02:33,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:02:33,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:02:33,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:02:33,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:02:33,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:02:33,150 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:02:33,150 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:02:33,151 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:02:33,151 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:02:33,151 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:02:33,151 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:02:33,152 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:02:33,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:02:33,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:02:33,152 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:02:33,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:02:33,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:02:33,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:02:33,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:02:33,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:02:33,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:02:33,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:02:33,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:02:33,155 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:02:33,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:02:33,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:02:33,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:02:33,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:02:33,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:02:33,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:02:33,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:02:33,165 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:02:33,165 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_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22bc8b4cf01afcaae62bd4d165e21be0989176def672b1734c08f33480ca7dd6 [2021-11-20 07:02:33,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:02:33,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:02:33,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:02:33,476 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:02:33,477 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:02:33,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-nla/ps2-both-t.c [2021-11-20 07:02:33,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/data/58bdb8cc9/e1b9ce6d4cb94ea7a1c4dddd83bab3da/FLAG3bda88c4c [2021-11-20 07:02:34,166 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:02:34,167 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/sv-benchmarks/c/termination-nla/ps2-both-t.c [2021-11-20 07:02:34,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/data/58bdb8cc9/e1b9ce6d4cb94ea7a1c4dddd83bab3da/FLAG3bda88c4c [2021-11-20 07:02:34,513 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/data/58bdb8cc9/e1b9ce6d4cb94ea7a1c4dddd83bab3da [2021-11-20 07:02:34,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:02:34,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:02:34,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:02:34,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:02:34,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:02:34,529 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1186a846 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34, skipping insertion in model container [2021-11-20 07:02:34,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:02:34,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:02:34,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:02:34,774 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:02:34,820 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:02:34,847 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:02:34,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34 WrapperNode [2021-11-20 07:02:34,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:02:34,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:02:34,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:02:34,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:02:34,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,897 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-11-20 07:02:34,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:02:34,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:02:34,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:02:34,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:02:34,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,922 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:02:34,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:02:34,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:02:34,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:02:34,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (1/1) ... [2021-11-20 07:02:34,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:34,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:34,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:35,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:02:35,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:02:35,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:02:35,121 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:02:35,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:02:35,260 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:02:35,271 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:02:35,271 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:02:35,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:02:35 BoogieIcfgContainer [2021-11-20 07:02:35,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:02:35,275 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:02:35,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:02:35,283 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:02:35,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:02:35,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:02:34" (1/3) ... [2021-11-20 07:02:35,290 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d4e7752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:02:35, skipping insertion in model container [2021-11-20 07:02:35,290 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:02:35,290 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:02:34" (2/3) ... [2021-11-20 07:02:35,291 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d4e7752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:02:35, skipping insertion in model container [2021-11-20 07:02:35,291 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:02:35,291 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:02:35" (3/3) ... [2021-11-20 07:02:35,292 INFO L388 chiAutomizerObserver]: Analyzing ICFG ps2-both-t.c [2021-11-20 07:02:35,353 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:02:35,353 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:02:35,353 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:02:35,353 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:02:35,354 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:02:35,354 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:02:35,354 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:02:35,354 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:02:35,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:02:35,393 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:02:35,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:02:35,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:02:35,401 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:02:35,401 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:02:35,402 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:02:35,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:02:35,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:02:35,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:02:35,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:02:35,404 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 07:02:35,405 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:02:35,414 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~k~0#1, main_~y~0#1, main_~x~0#1, main_~c~0#1;havoc main_~k~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_~c~0#1;main_~k~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;main_~x~0#1 := 0;main_~c~0#1 := 0; 5#L26-2true [2021-11-20 07:02:35,414 INFO L793 eck$LassoCheckResult]: Loop: 5#L26-2true assume !false; 6#L29true assume !!(main_~c~0#1 + main_~y~0#1 * main_~y~0#1 - 2 * main_~x~0#1 + main_~y~0#1 < main_~k~0#1);main_~c~0#1 := 1 + main_~c~0#1;main_~y~0#1 := 1 + main_~y~0#1;main_~x~0#1 := main_~y~0#1 + main_~x~0#1; 5#L26-2true [2021-11-20 07:02:35,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:35,425 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 07:02:35,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:35,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515116488] [2021-11-20 07:02:35,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:35,441 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:35,516 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:02:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:35,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:02:35,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:35,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-11-20 07:02:35,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:35,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669833874] [2021-11-20 07:02:35,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:35,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:35,550 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:02:35,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1134541399] [2021-11-20 07:02:35,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:35,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:02:35,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:35,555 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:02:35,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 07:02:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:35,605 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:02:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:35,616 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:02:35,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:35,618 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-11-20 07:02:35,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:35,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105378872] [2021-11-20 07:02:35,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:35,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:35,626 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:02:35,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40826847] [2021-11-20 07:02:35,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:35,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:02:35,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:35,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:02:35,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-20 07:02:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:35,715 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:02:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:35,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:02:35,847 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:35,848 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:35,848 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:35,848 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:35,848 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:02:35,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:35,849 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:35,849 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:35,849 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-20 07:02:35,849 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:35,849 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:35,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:36,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:36,039 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:02:36,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,062 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,066 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:02:36,066 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:36,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:02:36,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-11-20 07:02:36,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,157 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:02:36,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:02:36,164 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:36,213 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:02:36,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:36,244 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:36,245 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:36,245 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:36,245 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:36,245 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:02:36,245 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,245 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:36,246 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:36,246 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-20 07:02:36,246 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:36,246 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:36,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:36,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:36,330 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:02:36,331 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,333 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:02:36,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:36,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:36,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:02:36,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:36,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:36,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:36,420 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:02:36,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,422 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:02:36,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:36,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,437 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:36,442 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:36,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:36,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:36,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:36,490 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:02:36,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 07:02:36,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:36,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,511 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:36,519 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:36,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:36,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:36,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:36,643 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:02:36,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,645 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:36,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,673 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,673 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:36,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 07:02:36,682 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:36,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:36,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:36,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:36,746 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:02:36,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,749 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 07:02:36,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:36,767 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:36,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,768 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:36,778 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:36,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:36,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:36,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-11-20 07:02:36,840 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:02:36,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,842 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 07:02:36,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,863 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:36,863 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:36,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,863 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:36,874 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:36,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:36,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:36,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:36,928 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:02:36,928 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:36,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:36,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:36,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 07:02:36,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:36,948 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:36,948 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:36,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:36,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:36,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:36,949 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:36,963 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:36,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:37,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:37,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,059 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:02:37,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:37,086 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:37,087 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:37,087 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:37,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:37,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:37,087 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:37,093 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:37,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:37,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 07:02:37,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:37,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,169 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:02:37,169 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,179 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:37,216 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:37,216 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:37,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:37,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:37,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:37,217 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:37,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:37,226 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:37,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 07:02:37,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:37,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,319 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:37,319 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:37,319 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:37,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:37,320 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:02:37,320 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,320 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:37,320 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:37,320 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-20 07:02:37,320 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:37,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:37,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:37,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:37,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:37,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:37,423 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:02:37,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,425 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 07:02:37,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:02:37,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:37,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,500 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,505 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,512 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:02:37,512 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 07:02:37,544 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:02:37,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,576 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:37,576 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:37,576 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:37,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:37,577 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:02:37,577 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,577 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:37,577 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:37,577 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-20 07:02:37,577 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:37,577 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:37,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:37,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:37,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:37,679 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:37,679 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:02:37,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,681 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:37,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:37,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:37,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:37,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:37,713 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:37,713 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:02:37,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 07:02:37,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:37,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,773 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 07:02:37,778 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:37,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:37,787 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:37,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:37,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:37,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:37,789 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:02:37,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:37,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:37,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,850 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:37,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:37,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:37,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:37,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:37,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:37,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:02:37,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:37,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 07:02:37,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:37,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:37,916 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:02:37,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:37,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:37,917 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:37,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 07:02:37,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:37,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:37,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:37,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:37,932 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:37,948 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:02:37,948 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:02:37,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,021 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 07:02:38,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,040 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:38,040 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:38,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,099 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 07:02:38,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,127 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:38,128 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:38,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,165 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:02:38,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,166 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 07:02:38,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,180 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:38,192 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:02:38,192 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:02:38,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,266 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,281 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:38,283 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:38,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 07:02:38,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,353 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,368 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 07:02:38,368 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:38,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-11-20 07:02:38,395 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:02:38,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,397 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 07:02:38,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,409 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:38,423 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:02:38,423 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:02:38,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,506 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,521 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:38,522 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:38,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 07:02:38,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 07:02:38,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,586 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:38,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 07:02:38,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,602 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:38,604 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:38,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,636 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:02:38,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,637 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 07:02:38,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,649 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:38,649 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:38,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,649 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:38,658 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:02:38,658 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:02:38,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,715 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 07:02:38,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,726 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:38,726 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:38,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,727 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:38,728 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:38,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,755 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 07:02:38,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,768 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:38,768 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:38,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,768 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:38,769 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:38,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,796 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:02:38,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,797 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 07:02:38,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,809 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:38,809 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:38,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,810 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:38,821 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:02:38,821 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:02:38,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 07:02:38,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,893 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 07:02:38,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,907 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:38,907 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:38,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,907 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:38,909 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:38,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:38,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:38,955 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:38,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:38,965 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:38,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:38,984 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:38,985 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:38,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:38,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:38,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:38,985 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:38,987 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:38,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:38,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 07:02:39,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-20 07:02:39,039 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:02:39,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,041 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 07:02:39,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,053 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,053 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:39,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,054 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:39,076 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:02:39,076 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:02:39,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:39,235 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,236 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,257 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,257 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:39,257 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:39,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,257 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:39,259 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:39,259 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:39,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 07:02:39,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:39,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,325 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,327 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 [2021-11-20 07:02:39,339 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,340 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:39,340 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:39,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,340 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:39,342 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:39,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:39,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 07:02:39,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:39,410 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:02:39,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,412 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,426 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,426 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:39,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,427 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:39,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 07:02:39,438 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:02:39,438 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:02:39,472 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 07:02:39,511 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,512 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 07:02:39,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,524 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:39,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:39,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,525 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:39,526 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:39,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:39,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:39,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,558 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 07:02:39,562 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 [2021-11-20 07:02:39,571 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,571 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:39,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:39,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,571 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:39,573 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:39,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:39,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:39,600 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:02:39,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,601 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 07:02:39,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,612 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:39,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,612 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:39,631 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 07:02:39,632 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:02:39,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:39,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,734 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 07:02:39,735 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,745 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,745 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:39,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:39,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,745 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:39,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:39,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:39,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 07:02:39,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:39,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,805 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 07:02:39,807 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:39,816 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:39,816 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:39,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:39,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:39,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:39,817 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:39,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:39,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:39,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:39,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 07:02:39,885 INFO L469 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2021-11-20 07:02:39,886 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~k~0#1, main_~y~0#1, main_~x~0#1, main_~c~0#1;havoc main_~k~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_~c~0#1;main_~k~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;main_~x~0#1 := 0;main_~c~0#1 := 0; 5#L26-2true assume !false; 6#L29true assume !!(main_~c~0#1 + main_~y~0#1 * main_~y~0#1 - 2 * main_~x~0#1 + main_~y~0#1 < main_~k~0#1);main_~c~0#1 := 1 + main_~c~0#1;main_~y~0#1 := 1 + main_~y~0#1;main_~x~0#1 := main_~y~0#1 + main_~x~0#1; 5#L26-2true [2021-11-20 07:02:39,886 INFO L793 eck$LassoCheckResult]: Loop: 5#L26-2true assume !false; 6#L29true assume !!(main_~c~0#1 + main_~y~0#1 * main_~y~0#1 - 2 * main_~x~0#1 + main_~y~0#1 < main_~k~0#1);main_~c~0#1 := 1 + main_~c~0#1;main_~y~0#1 := 1 + main_~y~0#1;main_~x~0#1 := main_~y~0#1 + main_~x~0#1; 5#L26-2true [2021-11-20 07:02:39,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 2 times [2021-11-20 07:02:39,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:39,887 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675295892] [2021-11-20 07:02:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:39,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:39,890 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:02:39,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488593346] [2021-11-20 07:02:39,891 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:02:39,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:02:39,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,892 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2021-11-20 07:02:39,941 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:02:39,942 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:02:39,942 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:02:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:39,957 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:02:39,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:39,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2021-11-20 07:02:39,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:39,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742438104] [2021-11-20 07:02:39,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:39,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:39,962 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:02:39,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451175313] [2021-11-20 07:02:39,962 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 07:02:39,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:02:39,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:39,975 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:02:39,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2021-11-20 07:02:40,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-20 07:02:40,002 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:02:40,002 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:02:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:40,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:02:40,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:02:40,010 INFO L85 PathProgramCache]: Analyzing trace with hash 889694157, now seen corresponding path program 3 times [2021-11-20 07:02:40,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:02:40,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337799450] [2021-11-20 07:02:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:02:40,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:02:40,016 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-20 07:02:40,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1497682735] [2021-11-20 07:02:40,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-20 07:02:40,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 07:02:40,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,019 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2021-11-20 07:02:40,078 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-11-20 07:02:40,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-20 07:02:40,078 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:02:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:02:40,087 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:02:40,125 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:40,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:40,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:40,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:40,126 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:02:40,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,126 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:40,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:40,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-20 07:02:40,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:40,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:40,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:40,189 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:40,190 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:02:40,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,198 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:02:40,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:40,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 07:02:40,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,251 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,252 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 07:02:40,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:02:40,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:40,270 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:02:40,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,295 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:40,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:40,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:40,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:40,295 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:02:40,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:40,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:40,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Loop [2021-11-20 07:02:40,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:40,295 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:40,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:40,356 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:40,357 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:02:40,357 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,358 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:40,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:40,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:02:40,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 07:02:40,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,441 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:02:40,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,443 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:40,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,458 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:40,460 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:40,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 07:02:40,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,515 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:02:40,516 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,517 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:40,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,532 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:40,535 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:40,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 07:02:40,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,598 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:02:40,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,600 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,602 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:40,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,615 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:40,618 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:40,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 07:02:40,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,676 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:02:40,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,678 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,692 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:40,692 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:40,692 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,692 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:40,695 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:40,695 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 07:02:40,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,754 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:02:40,754 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,755 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:40,770 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:40,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,771 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:40,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 07:02:40,774 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:40,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:40,838 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:02:40,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,839 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:40,857 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:40,858 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:40,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:40,864 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:40,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 07:02:40,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:40,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 07:02:40,943 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:02:40,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:40,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:40,944 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:40,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 07:02:40,946 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 [2021-11-20 07:02:40,955 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:40,955 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:40,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:40,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:40,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:40,955 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:40,958 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:40,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:40,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:41,014 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:02:41,014 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,017 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 07:02:41,033 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:41,033 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:41,033 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:41,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,034 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:41,038 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:41,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:41,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:41,146 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:41,146 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:41,146 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:41,146 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:41,146 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 07:02:41,147 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,147 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:41,147 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:41,147 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-20 07:02:41,147 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:41,147 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:41,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:41,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:41,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:41,246 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:41,246 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 07:02:41,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,247 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:02:41,258 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:41,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 07:02:41,287 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 07:02:41,287 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 07:02:41,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:41,328 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,330 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 07:02:41,332 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:41,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 07:02:41,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:41,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,405 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 07:02:41,410 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 07:02:41,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 07:02:41,434 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 07:02:41,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-11-20 07:02:41,462 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:02:41,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:02:41,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:02:41,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:02:41,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:02:41,463 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:02:41,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:02:41,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: ps2-both-t.c_Iteration1_Lasso [2021-11-20 07:02:41,463 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:02:41,463 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:02:41,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:41,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:41,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:02:41,585 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:02:41,585 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:02:41,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,589 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 07:02:41,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:41,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:41,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:02:41,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-11-20 07:02:41,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,640 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 07:02:41,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:41,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:41,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:02:41,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:41,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:41,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,686 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:41,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:02:41,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 07:02:41,713 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:41,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 07:02:41,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:41,766 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-11-20 07:02:41,766 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,767 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,782 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:41,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 07:02:41,789 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:02:41,790 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:02:41,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 07:02:41,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,844 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 07:02:41,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:41,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,855 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:41,855 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:41,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:41,857 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-11-20 07:02:41,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,882 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 07:02:41,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:41,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,895 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:41,896 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:41,896 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:41,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:41,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-20 07:02:41,922 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-11-20 07:02:41,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:41,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:41,923 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:41,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 07:02:41,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:41,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:41,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:41,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:41,937 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:41,953 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:02:41,953 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:02:41,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,020 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:42,038 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,038 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:42,039 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:42,039 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 07:02:42,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,095 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:42,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,109 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:42,110 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:42,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 07:02:42,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,161 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-11-20 07:02:42,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,165 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:42,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,180 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:42,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 07:02:42,192 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:02:42,192 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:02:42,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,269 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,271 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:42,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,285 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:42,286 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:42,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 07:02:42,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,335 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:02:42,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,349 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:42,350 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:42,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 07:02:42,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,397 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-11-20 07:02:42,397 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,398 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,400 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 [2021-11-20 07:02:42,412 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,413 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:42,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,413 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:42,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 07:02:42,421 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-11-20 07:02:42,421 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-11-20 07:02:42,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,503 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,517 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,517 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:42,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,518 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:42,519 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:42,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 07:02:42,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,572 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,587 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:42,587 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,587 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-11-20 07:02:42,588 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-11-20 07:02:42,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 07:02:42,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,650 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-11-20 07:02:42,650 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,653 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,668 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,668 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:42,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:42,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 07:02:42,679 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:02:42,679 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:02:42,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,816 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 07:02:42,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,833 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:42,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,833 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:42,834 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:42,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,884 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,885 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 07:02:42,900 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,900 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-11-20 07:02:42,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:42,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,901 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:42,902 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:42,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:42,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:42,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:42,962 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-11-20 07:02:42,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:42,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:42,965 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:42,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:42,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 07:02:42,986 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:42,986 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:42,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:42,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:42,987 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:43,001 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2021-11-20 07:02:43,002 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2021-11-20 07:02:43,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:43,195 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,197 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,214 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,214 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:43,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:43,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,215 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:43,217 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:43,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:43,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 07:02:43,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:43,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,279 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,294 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,294 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:43,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:43,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,295 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-11-20 07:02:43,297 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-11-20 07:02:43,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:43,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-11-20 07:02:43,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:43,361 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-11-20 07:02:43,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,365 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,380 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,380 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:43,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,380 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:43,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-11-20 07:02:43,392 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-11-20 07:02:43,392 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-11-20 07:02:43,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-11-20 07:02:43,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,445 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-11-20 07:02:43,459 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,459 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:43,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:43,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,459 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:43,460 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:43,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:43,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-11-20 07:02:43,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,487 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-11-20 07:02:43,490 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,499 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-11-20 07:02:43,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:43,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,500 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-11-20 07:02:43,500 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 07:02:43,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:43,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:43,526 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-11-20 07:02:43,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,528 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,529 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,542 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,542 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:43,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-11-20 07:02:43,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,542 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:43,558 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2021-11-20 07:02:43,558 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2021-11-20 07:02:43,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:43,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,690 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,705 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,705 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:43,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:43,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,705 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:43,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:43,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:43,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-11-20 07:02:43,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-11-20 07:02:43,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:02:43,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:02:43,751 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:02:43,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-11-20 07:02:43,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 07:02:43,763 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-11-20 07:02:43,763 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-11-20 07:02:43,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 07:02:43,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:02:43,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:02:43,763 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-11-20 07:02:43,764 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:02:43,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 07:02:43,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:02:43,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-11-20 07:02:43,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:02:43 BoogieIcfgContainer [2021-11-20 07:02:43,796 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:02:43,797 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:02:43,797 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:02:43,797 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:02:43,797 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:02:35" (3/4) ... [2021-11-20 07:02:43,800 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:02:43,800 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:02:43,802 INFO L158 Benchmark]: Toolchain (without parser) took 9281.75ms. Allocated memory was 96.5MB in the beginning and 151.0MB in the end (delta: 54.5MB). Free memory was 65.4MB in the beginning and 91.4MB in the end (delta: -26.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-20 07:02:43,802 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:02:43,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.00ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 65.2MB in the beginning and 103.8MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:02:43,803 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.50ms. Allocated memory is still 125.8MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:02:43,804 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 125.8MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:02:43,804 INFO L158 Benchmark]: RCFGBuilder took 346.21ms. Allocated memory is still 125.8MB. Free memory was 101.2MB in the beginning and 93.3MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:02:43,805 INFO L158 Benchmark]: BuchiAutomizer took 8521.19ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 92.8MB in the beginning and 91.9MB in the end (delta: 918.1kB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2021-11-20 07:02:43,805 INFO L158 Benchmark]: Witness Printer took 3.64ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 91.4MB in the end (delta: 501.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:02:43,809 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 96.5MB. Free memory was 51.5MB in the beginning and 51.4MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.00ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 65.2MB in the beginning and 103.8MB in the end (delta: -38.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.50ms. Allocated memory is still 125.8MB. Free memory was 103.3MB in the beginning and 102.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 125.8MB. Free memory was 102.3MB in the beginning and 101.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.21ms. Allocated memory is still 125.8MB. Free memory was 101.2MB in the beginning and 93.3MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 8521.19ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 92.8MB in the beginning and 91.9MB in the end (delta: 918.1kB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. * Witness Printer took 3.64ms. Allocated memory is still 151.0MB. Free memory was 91.9MB in the beginning and 91.4MB in the end (delta: 501.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: 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: 121ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~k~0#1, main_~y~0#1, main_~x~0#1, main_~c~0#1;havoc main_~k~0#1;havoc main_~y~0#1;havoc main_~x~0#1;havoc main_~c~0#1;main_~k~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 0;main_~x~0#1 := 0;main_~c~0#1 := 0;" "assume !false;" "assume !!(main_~c~0#1 + main_~y~0#1 * main_~y~0#1 - 2 * main_~x~0#1 + main_~y~0#1 < main_~k~0#1);main_~c~0#1 := 1 + main_~c~0#1;main_~y~0#1 := 1 + main_~y~0#1;main_~x~0#1 := main_~y~0#1 + main_~x~0#1;" Loop: "assume !false;" "assume !!(main_~c~0#1 + main_~y~0#1 * main_~y~0#1 - 2 * main_~x~0#1 + main_~y~0#1 < main_~k~0#1);main_~c~0#1 := 1 + main_~c~0#1;main_~y~0#1 := 1 + main_~y~0#1;main_~x~0#1 := main_~y~0#1 + main_~x~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 07:02:43,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2021-11-20 07:02:44,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2021-11-20 07:02:44,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2021-11-20 07:02:44,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-20 07:02:44,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:02:44,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e0b8205-8b41-45ee-96d0-66d07c174688/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN