./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer --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 39d1cf9c8579a9e3ab0612befbfddbea31e87fbe ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/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 --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 10:08:21,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 10:08:21,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 10:08:21,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 10:08:21,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 10:08:21,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 10:08:21,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 10:08:21,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 10:08:21,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 10:08:21,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 10:08:21,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 10:08:21,526 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 10:08:21,526 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 10:08:21,527 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 10:08:21,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 10:08:21,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 10:08:21,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 10:08:21,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 10:08:21,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 10:08:21,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 10:08:21,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 10:08:21,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 10:08:21,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 10:08:21,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 10:08:21,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 10:08:21,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 10:08:21,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 10:08:21,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 10:08:21,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 10:08:21,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 10:08:21,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 10:08:21,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 10:08:21,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 10:08:21,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 10:08:21,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 10:08:21,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 10:08:21,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 10:08:21,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 10:08:21,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 10:08:21,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 10:08:21,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 10:08:21,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 10:08:21,556 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 10:08:21,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 10:08:21,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 10:08:21,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 10:08:21,557 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 10:08:21,557 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 10:08:21,557 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 10:08:21,557 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 10:08:21,557 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 10:08:21,557 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 10:08:21,558 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 10:08:21,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 10:08:21,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 10:08:21,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 10:08:21,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 10:08:21,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 10:08:21,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 10:08:21,559 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 10:08:21,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 10:08:21,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 10:08:21,560 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 10:08:21,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 10:08:21,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 10:08:21,560 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 10:08:21,560 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 10:08:21,561 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 10:08:21,561 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer 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 -> 39d1cf9c8579a9e3ab0612befbfddbea31e87fbe [2019-12-07 10:08:21,663 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 10:08:21,671 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 10:08:21,673 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 10:08:21,674 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 10:08:21,674 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 10:08:21,675 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c [2019-12-07 10:08:21,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/data/7f1e04588/9e9cadcc5faf4a76ba5c3b35332a78a4/FLAG86a5b1df3 [2019-12-07 10:08:22,088 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 10:08:22,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/sv-benchmarks/c/loop-acceleration/underapprox_1-1.c [2019-12-07 10:08:22,092 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/data/7f1e04588/9e9cadcc5faf4a76ba5c3b35332a78a4/FLAG86a5b1df3 [2019-12-07 10:08:22,506 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/data/7f1e04588/9e9cadcc5faf4a76ba5c3b35332a78a4 [2019-12-07 10:08:22,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 10:08:22,510 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 10:08:22,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:22,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 10:08:22,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 10:08:22,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1d1bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22, skipping insertion in model container [2019-12-07 10:08:22,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 10:08:22,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 10:08:22,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:22,634 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 10:08:22,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 10:08:22,689 INFO L208 MainTranslator]: Completed translation [2019-12-07 10:08:22,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22 WrapperNode [2019-12-07 10:08:22,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 10:08:22,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:22,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 10:08:22,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 10:08:22,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 10:08:22,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 10:08:22,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 10:08:22,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 10:08:22,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... [2019-12-07 10:08:22,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 10:08:22,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 10:08:22,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 10:08:22,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 10:08:22,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:22,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 10:08:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 10:08:22,854 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 10:08:22,854 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 10:08:22,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:22 BoogieIcfgContainer [2019-12-07 10:08:22,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 10:08:22,855 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 10:08:22,856 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 10:08:22,858 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 10:08:22,858 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:22,858 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 10:08:22" (1/3) ... [2019-12-07 10:08:22,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e112633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:08:22, skipping insertion in model container [2019-12-07 10:08:22,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:22,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 10:08:22" (2/3) ... [2019-12-07 10:08:22,859 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e112633 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 10:08:22, skipping insertion in model container [2019-12-07 10:08:22,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 10:08:22,859 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:22" (3/3) ... [2019-12-07 10:08:22,860 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_1-1.c [2019-12-07 10:08:22,889 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 10:08:22,889 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 10:08:22,889 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 10:08:22,889 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 10:08:22,889 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 10:08:22,889 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 10:08:22,889 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 10:08:22,890 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 10:08:22,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 10:08:22,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 10:08:22,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:22,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:22,914 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 10:08:22,914 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 10:08:22,914 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 10:08:22,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 10:08:22,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 10:08:22,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 10:08:22,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 10:08:22,915 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 10:08:22,916 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 10:08:22,920 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-12-07 10:08:22,921 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 10:08:22,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:22,924 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 10:08:22,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:22,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637756044] [2019-12-07 10:08:22,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:22,989 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:22,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:22,990 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-12-07 10:08:22,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:22,991 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234422929] [2019-12-07 10:08:22,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:23,001 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:23,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:23,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 10:08:23,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:23,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071677998] [2019-12-07 10:08:23,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:23,012 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:23,042 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:23,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:23,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:23,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:23,043 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:08:23,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,043 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:23,043 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:23,043 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-12-07 10:08:23,043 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:23,043 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:23,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,156 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:23,156 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:23,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:23,171 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:08:23,171 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,175 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:23,175 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:23,178 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:08:23,178 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,182 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:23,182 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:08:23,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:23,201 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:08:23,202 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:23,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:23,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:23,202 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:23,202 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:23,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:23,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:23,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-12-07 10:08:23,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:23,203 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:23,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,266 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:23,270 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:23,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:23,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,294 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:23,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,306 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,311 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,312 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,321 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,321 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,323 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,329 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,332 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,337 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,345 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,347 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,349 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,356 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,357 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,359 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,364 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,366 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,370 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,375 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,376 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,379 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,385 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,386 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,389 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,395 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,398 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,402 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,403 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,408 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,408 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:23,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,409 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,411 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,422 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,423 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:23,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,423 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,424 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,427 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,431 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,432 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,433 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:23,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,433 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,436 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,442 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,443 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,449 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,449 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:23,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,449 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,454 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,454 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,463 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,467 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,469 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:23,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,469 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,470 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,473 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,479 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,480 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:23,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,480 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,483 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,493 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,494 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,499 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,499 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:23,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,499 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,505 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,526 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:23,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,527 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,529 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,535 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,540 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,540 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:23,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,541 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,544 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,555 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,556 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,561 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,561 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:23,561 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,562 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,563 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,563 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,567 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,572 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,572 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:23,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,573 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,573 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,581 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,581 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:23,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,582 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,584 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,589 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,590 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,594 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,594 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:23,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,595 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:23,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:23,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,612 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,612 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:23,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,613 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:23,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:23,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,623 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:23,623 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:23,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,623 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:23,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:23,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,633 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,642 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:23,642 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:23,643 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:23,643 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:23,643 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:08:23,643 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,643 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:23,643 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:23,643 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-12-07 10:08:23,643 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:23,644 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:23,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,713 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:23,713 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 33 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,716 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:23,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:23,720 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:08:23,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 34 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:23,724 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:23,726 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:08:23,726 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 35 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:23,730 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 36 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,738 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:08:23,738 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:23,749 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:08:23,750 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:23,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:23,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:23,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:23,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:23,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:23,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:23,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-12-07 10:08:23,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:23,751 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:23,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,763 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:23,828 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:23,828 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 37 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,831 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,833 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:23,833 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,834 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 38 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,839 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,842 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:23,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:23,846 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 39 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:23,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:23,859 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 40 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:23,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:23,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,866 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,867 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 41 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,871 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,872 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,873 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 42 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,878 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,880 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:23,880 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:23,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 43 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,892 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,894 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:23,894 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:23,899 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 44 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,905 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:23,905 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:23,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,907 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,908 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 45 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,913 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,914 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 46 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,921 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,924 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:23,924 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:23,932 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 47 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,937 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,940 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:23,940 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:23,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 48 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,953 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:23,954 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:23,954 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,955 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:23,957 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 49 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:23,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,965 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,965 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:23,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:23,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 50 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,973 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,977 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:23,977 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:23,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 51 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:23,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:23,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:23,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:23,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:23,993 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:23,996 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:23,996 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:24,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 52 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,012 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,014 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,014 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,018 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 53 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,022 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,022 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,022 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,023 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,025 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 54 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,030 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,030 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,031 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,031 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,031 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,033 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:24,033 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:24,042 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 55 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,047 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,047 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,048 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,050 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:24,050 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:24,069 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 56 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,073 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,075 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,075 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,075 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,078 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,079 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 57 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,084 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,085 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,085 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,085 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,088 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 58 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,095 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,095 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,096 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,100 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:24,100 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:24,118 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 59 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,124 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,124 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,124 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,127 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:24,128 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:24,188 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 60 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,193 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,194 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,194 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,195 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,197 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,199 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 61 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,203 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,203 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,203 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,204 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 62 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,213 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,213 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,213 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,217 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:24,218 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:24,240 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 63 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,246 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,246 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,246 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,251 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:24,251 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:24,411 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 64 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,417 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,418 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,418 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,422 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,423 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 65 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,428 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,428 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,428 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,428 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,430 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 66 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,435 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,435 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,435 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,439 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:24,439 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:24,450 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 67 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,455 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,455 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,455 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,457 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:24,457 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:24,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 68 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,473 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,474 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,474 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,475 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,475 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,477 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,478 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 69 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,482 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,482 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,482 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:24,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:24,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,485 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 70 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,489 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,490 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,490 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:24,494 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 10:08:24,495 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 10:08:24,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 71 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,523 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,523 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,524 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:24,527 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 10:08:24,527 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 10:08:24,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 72 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,592 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,592 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,593 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:24,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:24,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,597 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,598 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-12-07 10:08:24,598 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 10:08:24,598 INFO L796 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-12-07 10:08:24,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:24,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-12-07 10:08:24,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:24,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396291711] [2019-12-07 10:08:24,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:24,606 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:24,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:24,606 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-12-07 10:08:24,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:24,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769820701] [2019-12-07 10:08:24,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:24,612 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:24,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 10:08:24,612 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-12-07 10:08:24,613 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 10:08:24,613 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851435309] [2019-12-07 10:08:24,613 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 10:08:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 10:08:24,622 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 10:08:24,632 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:24,632 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:24,632 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:24,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:24,633 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:08:24,633 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,633 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:24,633 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:24,633 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-12-07 10:08:24,633 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:24,633 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:24,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:24,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:24,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:24,672 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:24,673 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 73 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:24,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:24,678 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:08:24,678 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 74 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:24,682 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 75 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,688 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:08:24,688 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:24,709 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:08:24,710 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:24,710 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:24,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:24,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:24,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:24,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,711 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:24,711 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:24,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-12-07 10:08:24,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:24,711 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:24,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:24,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:24,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:24,753 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:24,754 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 76 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:24,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:24,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 77 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,765 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,766 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:24,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:24,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,769 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 78 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:24,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:24,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,776 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,777 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 79 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,781 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,782 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 80 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,787 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,788 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,789 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,789 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,791 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 81 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,797 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,797 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,799 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,799 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 82 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,802 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,803 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,804 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,805 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 83 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,822 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,823 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,825 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 84 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,831 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,832 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,833 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,834 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 85 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,840 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,840 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,841 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,842 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 86 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,847 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,848 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,848 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,852 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 87 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:24,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,858 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,859 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,861 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 88 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,865 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,865 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,865 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,866 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,868 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 89 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,872 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,872 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,873 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,873 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 90 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,881 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,883 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,883 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,883 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:24,884 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:24,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,887 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,888 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 91 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,891 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,892 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,892 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,895 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 92 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,901 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,901 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,901 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,902 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 93 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,916 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,916 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:24,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,916 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,917 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,922 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,923 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 94 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,929 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,929 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,929 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,930 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,933 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 95 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,938 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,938 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,939 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,940 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 96 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,956 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,956 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:24,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,956 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:24,958 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:24,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,967 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,968 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 97 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,973 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,973 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,973 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,974 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,976 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 98 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,981 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,981 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,982 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 99 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:24,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:24,993 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:24,993 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:24,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:24,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:24,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:24,993 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:24,993 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:24,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:24,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:24,997 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 100 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,002 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,002 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,002 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,006 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 101 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,011 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,011 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,012 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 102 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,026 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,027 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,027 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,034 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,048 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:25,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:25,049 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:25,049 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:25,049 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 10:08:25,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,049 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:25,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:25,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-12-07 10:08:25,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:25,049 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:25,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,100 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:25,100 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 103 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:25,103 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 104 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:08:25,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:25,122 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 10:08:25,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=-1}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-2}] Lambdas: [7, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 105 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 10:08:25,126 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 106 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 10:08:25,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 10:08:25,142 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 10:08:25,143 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 10:08:25,143 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 10:08:25,143 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 10:08:25,143 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 10:08:25,143 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 10:08:25,143 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,143 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 10:08:25,143 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 10:08:25,143 INFO L133 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-12-07 10:08:25,143 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 10:08:25,143 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 10:08:25,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 10:08:25,193 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 10:08:25,193 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 107 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:25,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:25,202 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 108 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,206 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:25,208 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,208 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 10:08:25,212 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 109 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:25,218 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:25,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 110 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 10:08:25,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 10:08:25,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,225 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,226 INFO L489 LassoAnalysis]: Using template '2-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 111 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,230 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,232 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:25,232 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:25,237 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 112 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,242 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,244 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:25,244 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:25,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 113 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,256 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,257 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:25,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,258 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 114 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,264 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,264 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:25,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,265 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,266 INFO L489 LassoAnalysis]: Using template '3-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 115 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,270 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,271 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:25,272 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:25,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 116 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,286 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,288 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:25,288 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:25,297 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 117 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,303 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:25,303 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,304 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 118 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,309 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,309 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,310 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:25,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,311 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,312 INFO L489 LassoAnalysis]: Using template '4-nested'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 119 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,315 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,317 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:25,317 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:25,327 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 120 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,331 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,335 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:25,335 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:25,345 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 121 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,350 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,351 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,351 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:25,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,353 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 122 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 10:08:25,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,358 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,358 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:25,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,360 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,361 INFO L489 LassoAnalysis]: Using template '2-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 123 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,365 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,365 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,365 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,367 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:25,367 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:25,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 124 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,389 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,389 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,390 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,392 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-12-07 10:08:25,392 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-12-07 10:08:25,401 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 125 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,406 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,406 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,407 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,407 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:25,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,409 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 126 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,413 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,414 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,414 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2019-12-07 10:08:25,414 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-12-07 10:08:25,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,416 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,417 INFO L489 LassoAnalysis]: Using template '3-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 127 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,419 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,421 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,421 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:25,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,421 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,423 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:25,423 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:25,472 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 128 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,476 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,477 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,477 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:25,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,478 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,480 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:25,480 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:25,501 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 129 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,506 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,506 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:25,506 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,507 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,507 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:25,507 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 130 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,515 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,515 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2019-12-07 10:08:25,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,515 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,516 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:25,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,519 INFO L489 LassoAnalysis]: Using template '4-phase'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 131 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,523 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,524 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,524 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,528 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:25,528 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:25,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 132 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,675 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,677 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,677 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,677 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,681 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-12-07 10:08:25,681 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-12-07 10:08:25,715 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 133 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,721 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,722 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,722 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,723 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:25,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 134 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,732 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,732 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,732 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2019-12-07 10:08:25,733 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-12-07 10:08:25,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,737 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,737 INFO L489 LassoAnalysis]: Using template '2-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 135 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,742 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,742 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,742 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,744 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:25,744 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:25,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 136 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,778 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,778 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,779 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,781 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-12-07 10:08:25,781 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 10:08:25,794 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 137 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,799 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,799 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,799 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,799 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:25,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,801 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 138 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,805 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,806 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2019-12-07 10:08:25,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,806 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2019-12-07 10:08:25,807 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-12-07 10:08:25,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,808 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,809 INFO L489 LassoAnalysis]: Using template '3-lex'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 139 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,813 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,813 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,813 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,816 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 10:08:25,816 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 10:08:25,876 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 140 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,882 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,882 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,882 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,885 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-12-07 10:08:25,886 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-12-07 10:08:25,918 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 141 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,923 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,923 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,924 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,924 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,927 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e07cbcb5-a46c-4eb3-bf92-f3df03e5f85f/bin/uautomizer/z3 Starting monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 142 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 10:08:25,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 10:08:25,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-12-07 10:08:25,931 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2019-12-07 10:08:25,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 10:08:25,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 10:08:25,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 10:08:25,932 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2019-12-07 10:08:25,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 10:08:25,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 10:08:25,934 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-12-07 10:08:25,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 10:08:25 BoogieIcfgContainer [2019-12-07 10:08:25,939 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 10:08:25,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 10:08:25,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 10:08:25,939 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 10:08:25,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 10:08:22" (3/4) ... [2019-12-07 10:08:25,942 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 10:08:25,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 10:08:25,943 INFO L168 Benchmark]: Toolchain (without parser) took 3433.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.6 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:25,943 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:25,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:25,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:25,944 INFO L168 Benchmark]: Boogie Preprocessor took 12.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:25,944 INFO L168 Benchmark]: RCFGBuilder took 130.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:25,945 INFO L168 Benchmark]: BuchiAutomizer took 3083.48 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.5 MB). Peak memory consumption was 326.9 MB. Max. memory is 11.5 GB. [2019-12-07 10:08:25,945 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 10:08:25,946 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.40 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 942.5 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 130.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3083.48 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.5 MB). Peak memory consumption was 326.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div386 bol100 ite100 ukn100 eq147 hnf51 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 66ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...