./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:45:27,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:45:27,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:45:27,914 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:45:27,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:45:27,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:45:27,918 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:45:27,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:45:27,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:45:27,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:45:27,937 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:45:27,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:45:27,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:45:27,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:45:27,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:45:27,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:45:27,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:45:27,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:45:27,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:45:27,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:45:27,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:45:27,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:45:27,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:45:27,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:45:27,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:45:27,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:45:27,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:45:27,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:45:27,961 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:45:27,962 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:45:27,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:45:27,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:45:27,963 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:45:27,964 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:45:27,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:45:27,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:45:27,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:45:27,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:45:27,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:45:27,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:45:27,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:45:27,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 20:45:27,996 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:45:28,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:45:28,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:45:28,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:45:28,008 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:45:28,008 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 20:45:28,008 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 20:45:28,009 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 20:45:28,009 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 20:45:28,009 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 20:45:28,009 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 20:45:28,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:45:28,010 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:45:28,010 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 20:45:28,010 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:45:28,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:45:28,011 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:45:28,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 20:45:28,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 20:45:28,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 20:45:28,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:45:28,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:45:28,012 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 20:45:28,012 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:45:28,012 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 20:45:28,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:45:28,013 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:45:28,013 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 20:45:28,014 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:45:28,014 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:45:28,014 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 20:45:28,015 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 20:45:28,015 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_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:28,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:45:28,049 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:45:28,052 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:45:28,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:45:28,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:45:28,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_1-1.c [2019-11-15 20:45:28,104 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/data/262f90385/19e190b65e5b48d2a7c2d9582feab334/FLAG6ff0fdf30 [2019-11-15 20:45:28,527 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:45:28,528 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/sv-benchmarks/c/loop-acceleration/underapprox_1-1.c [2019-11-15 20:45:28,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/data/262f90385/19e190b65e5b48d2a7c2d9582feab334/FLAG6ff0fdf30 [2019-11-15 20:45:28,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/bin/uautomizer/data/262f90385/19e190b65e5b48d2a7c2d9582feab334 [2019-11-15 20:45:28,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:45:28,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:45:28,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:45:28,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:45:28,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:45:28,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:45:28" (1/1) ... [2019-11-15 20:45:28,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b71de1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:28, skipping insertion in model container [2019-11-15 20:45:28,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:45:28" (1/1) ... [2019-11-15 20:45:28,931 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:45:28,944 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:45:29,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:45:29,100 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:45:29,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:45:29,199 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:45:29,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29 WrapperNode [2019-11-15 20:45:29,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:45:29,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:45:29,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:45:29,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:45:29,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:45:29,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:45:29,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:45:29,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:45:29,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... [2019-11-15 20:45:29,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:45:29,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:45:29,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:45:29,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:45:29,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:29,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:45:29,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:45:29,431 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:45:29,432 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 20:45:29,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:45:29 BoogieIcfgContainer [2019-11-15 20:45:29,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:45:29,433 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 20:45:29,434 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 20:45:29,437 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 20:45:29,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:45:29,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 08:45:28" (1/3) ... [2019-11-15 20:45:29,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@746d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:45:29, skipping insertion in model container [2019-11-15 20:45:29,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:45:29,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:45:29" (2/3) ... [2019-11-15 20:45:29,440 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@746d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 08:45:29, skipping insertion in model container [2019-11-15 20:45:29,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 20:45:29,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:45:29" (3/3) ... [2019-11-15 20:45:29,442 INFO L371 chiAutomizerObserver]: Analyzing ICFG underapprox_1-1.c [2019-11-15 20:45:29,486 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 20:45:29,487 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 20:45:29,487 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 20:45:29,487 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:45:29,487 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:45:29,487 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 20:45:29,487 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:45:29,488 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 20:45:29,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 20:45:29,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 20:45:29,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:45:29,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:45:29,522 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:45:29,522 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 20:45:29,522 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 20:45:29,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 20:45:29,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-15 20:45:29,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 20:45:29,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 20:45:29,523 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 20:45:29,523 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-15 20:45:29,529 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true [2019-11-15 20:45:29,530 INFO L793 eck$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 [2019-11-15 20:45:29,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:45:29,535 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 20:45:29,540 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:45:29,540 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703034157] [2019-11-15 20:45:29,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:29,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:29,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:45:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:29,610 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:45:29,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:45:29,611 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-15 20:45:29,611 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:45:29,611 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507830922] [2019-11-15 20:45:29,612 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:29,612 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:29,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:45:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:29,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:29,627 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:45:29,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:45:29,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-15 20:45:29,629 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:45:29,629 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501580878] [2019-11-15 20:45:29,629 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:29,630 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:29,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:45:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:29,643 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:45:29,694 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:29,695 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:29,695 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:29,695 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:29,696 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:45:29,696 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:29,696 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:29,696 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:29,696 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-11-15 20:45:29,697 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:29,697 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:29,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:29,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:29,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:29,908 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:29,909 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:29,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:29,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:45:29,930 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:45:29,930 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: [] Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:29,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:29,938 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:45:29,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:45:29,942 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_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:29,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:29,947 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:29,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:45:29,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:45:29,986 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:45:29,987 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:29,988 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:29,988 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:29,988 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:29,988 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:45:29,988 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:29,988 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:29,988 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:29,989 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-11-15 20:45:29,989 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:29,989 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:29,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:29,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:29,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,078 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:30,082 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:45:30,084 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 [2019-11-15 20:45:30,086 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,086 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,086 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,087 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,087 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:30,089 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:30,089 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,094 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,095 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 [2019-11-15 20:45:30,098 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,098 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,099 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,099 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,099 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:30,100 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:30,100 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,106 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,115 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 [2019-11-15 20:45:30,116 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,117 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,117 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,117 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,118 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:30,119 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:30,121 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,136 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:45:30,136 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 [2019-11-15 20:45:30,138 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,138 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,139 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,139 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,139 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:30,141 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:30,142 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,159 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 [2019-11-15 20:45:30,160 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,160 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,160 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,160 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,160 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:30,161 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:30,161 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,163 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,172 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 [2019-11-15 20:45:30,173 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,174 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,174 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,174 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,174 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:30,176 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:30,176 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,195 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,198 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:45:30,198 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 [2019-11-15 20:45:30,199 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,201 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,201 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,201 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,201 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,203 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,204 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,206 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,209 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 [2019-11-15 20:45:30,210 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,211 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,211 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,211 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,211 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,212 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,213 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,215 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,217 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 [2019-11-15 20:45:30,218 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,218 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,219 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,219 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,219 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,223 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,224 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,245 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,245 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:45:30,246 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 [2019-11-15 20:45:30,248 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,248 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,249 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,249 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,249 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:30,250 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:30,250 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,255 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,255 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 [2019-11-15 20:45:30,256 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,257 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,257 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,257 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,257 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:30,265 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:30,265 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,269 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,270 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 [2019-11-15 20:45:30,272 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:30,272 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,272 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,272 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,272 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:30,277 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:30,277 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,301 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,301 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:45:30,301 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 [2019-11-15 20:45:30,311 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,311 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:30,311 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,312 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,312 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,312 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:30,314 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:30,314 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,317 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,317 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 [2019-11-15 20:45:30,318 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,319 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:30,319 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,319 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,319 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,319 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:30,320 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:30,321 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,322 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,322 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 [2019-11-15 20:45:30,323 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,323 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:30,324 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,324 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,324 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,324 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:30,326 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:30,326 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,362 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,362 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:45:30,363 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 [2019-11-15 20:45:30,364 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,364 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:30,364 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,364 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,365 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,365 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,369 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,369 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,375 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,376 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 [2019-11-15 20:45:30,376 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,377 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:30,377 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,377 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,377 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,378 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,379 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,379 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,382 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,382 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 [2019-11-15 20:45:30,383 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,383 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:30,384 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,384 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,384 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,384 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,386 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,386 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,457 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:45:30,457 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 [2019-11-15 20:45:30,458 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,458 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:30,458 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,458 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,459 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,459 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:30,480 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:30,480 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,483 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 [2019-11-15 20:45:30,484 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,484 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:30,485 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,485 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,485 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,485 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:30,487 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:30,487 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,488 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,496 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 [2019-11-15 20:45:30,497 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,498 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:30,498 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,499 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,499 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,499 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:30,502 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:30,502 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,603 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,603 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:45:30,603 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 [2019-11-15 20:45:30,604 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,604 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:30,604 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,605 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,605 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,605 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,606 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,606 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,618 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 [2019-11-15 20:45:30,619 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,619 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:30,619 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,619 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,619 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,620 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,621 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,621 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,624 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,624 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 [2019-11-15 20:45:30,625 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,625 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:30,625 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,626 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,626 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,626 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:30,628 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:30,628 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,640 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,640 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:45:30,640 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 [2019-11-15 20:45:30,641 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,641 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:30,641 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,641 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,642 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,642 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:30,644 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:30,644 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,657 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,658 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 [2019-11-15 20:45:30,659 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,659 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:30,661 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,663 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,663 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,663 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:30,665 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:30,665 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,671 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,672 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 [2019-11-15 20:45:30,673 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:30,673 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:30,673 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:30,674 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:30,675 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:30,675 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:30,677 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:30,677 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:30,704 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:30,728 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:30,728 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:30,728 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:30,728 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:30,728 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:45:30,729 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:30,729 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:30,729 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:30,729 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-11-15 20:45:30,729 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:30,729 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:30,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,839 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:30,839 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:30,846 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:30,846 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:45:30,851 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:45:30,851 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: [] Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:30,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:30,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:45:30,879 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:45:30,879 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_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:30,894 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:30,894 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:30,918 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:45:30,918 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:30,934 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:45:30,936 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:30,936 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:30,936 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:30,936 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:30,936 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:45:30,936 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:30,937 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:30,937 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:30,937 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-11-15 20:45:30,937 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:30,937 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:30,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:30,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:31,053 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:31,053 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:45:31,053 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 [2019-11-15 20:45:31,054 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,054 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,054 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,055 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,055 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:31,055 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:31,055 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,056 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,056 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 [2019-11-15 20:45:31,057 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,057 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,057 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,057 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:31,059 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:31,059 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:45:31,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,068 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 [2019-11-15 20:45:31,068 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,069 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,069 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,069 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:31,070 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:31,070 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:45:31,076 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,077 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 [2019-11-15 20:45:31,077 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,077 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,078 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,078 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,078 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:31,078 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:31,078 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,079 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,079 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:45:31,079 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 [2019-11-15 20:45:31,080 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,080 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,080 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,080 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,080 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,081 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:31,081 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,081 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,082 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 [2019-11-15 20:45:31,082 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,083 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,083 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,083 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,084 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:31,085 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:31,093 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,094 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 [2019-11-15 20:45:31,094 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,095 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,095 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,095 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,097 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:31,097 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:31,111 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,112 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 [2019-11-15 20:45:31,113 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,113 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,113 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,113 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,113 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,114 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:31,114 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,114 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:45:31,115 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 [2019-11-15 20:45:31,115 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,115 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,116 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,116 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,116 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,116 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:31,116 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,117 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,117 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 [2019-11-15 20:45:31,118 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,118 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,118 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,118 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,120 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:31,120 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:31,132 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,133 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 [2019-11-15 20:45:31,133 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,133 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,133 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,134 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,136 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:31,136 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:31,165 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,166 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 [2019-11-15 20:45:31,166 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,166 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,166 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,167 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,167 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,167 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:31,167 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,168 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,168 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:45:31,169 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 [2019-11-15 20:45:31,169 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,169 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,169 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,170 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,170 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:31,170 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:31,170 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,171 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,171 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 [2019-11-15 20:45:31,172 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,172 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,172 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,172 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:31,177 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:31,178 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:31,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,201 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 [2019-11-15 20:45:31,202 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,202 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,202 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,202 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:31,211 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:31,211 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:31,276 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,276 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 [2019-11-15 20:45:31,277 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:31,277 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,277 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,277 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,278 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:31,278 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:31,278 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,279 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,279 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:45:31,280 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 [2019-11-15 20:45:31,280 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,280 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:31,281 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,281 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,281 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,281 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,282 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:31,282 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,283 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 [2019-11-15 20:45:31,283 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,283 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:31,283 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,284 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,284 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,286 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:31,286 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:31,306 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,307 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 [2019-11-15 20:45:31,307 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,308 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:31,308 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,308 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,308 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,310 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:31,310 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:31,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,477 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 [2019-11-15 20:45:31,478 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,478 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:31,478 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,478 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,478 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,479 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:31,479 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:31,479 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,480 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:45:31,480 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 [2019-11-15 20:45:31,481 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,481 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:31,481 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:31,481 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,481 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,482 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,482 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:31,482 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:31,483 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,484 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 [2019-11-15 20:45:31,484 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,484 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:31,485 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,485 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,485 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,487 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:31,487 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:31,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:31,527 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 [2019-11-15 20:45:31,528 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:31,528 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:31,528 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:31,528 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:31,528 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:31,532 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:31,532 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:32,399 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:32,400 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 [2019-11-15 20:45:32,404 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:32,404 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:32,404 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:32,405 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:32,405 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:32,405 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:32,406 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:32,406 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:32,407 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:32,407 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:45:32,407 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 [2019-11-15 20:45:32,408 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:32,408 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:32,408 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:32,408 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:32,409 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:32,409 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:32,410 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:32,410 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:32,410 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:32,411 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 [2019-11-15 20:45:32,411 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:32,411 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:32,411 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:32,412 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:32,412 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:32,415 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:32,415 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:32,496 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:32,496 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 [2019-11-15 20:45:32,497 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:32,497 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:32,497 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:32,497 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:32,498 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:32,503 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:32,503 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:37,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,720 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 [2019-11-15 20:45:37,721 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,721 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:37,721 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:37,721 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,721 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,722 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:37,723 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:37,723 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:37,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,724 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:45:37,724 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 [2019-11-15 20:45:37,724 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,725 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:37,725 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:37,725 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,725 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,725 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:37,726 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:37,726 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:37,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,727 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 [2019-11-15 20:45:37,728 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,728 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:37,728 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,728 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,728 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:37,730 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:37,730 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:37,748 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,748 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 [2019-11-15 20:45:37,749 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,749 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:37,749 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,750 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,750 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:37,752 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:37,752 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:37,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,779 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 [2019-11-15 20:45:37,780 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,780 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:37,780 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:37,781 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,781 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,781 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:37,781 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:37,782 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:37,783 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,783 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:45:37,783 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 [2019-11-15 20:45:37,784 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,784 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:37,784 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:37,785 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,785 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,785 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:37,786 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:37,786 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:37,787 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,789 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 [2019-11-15 20:45:37,790 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,790 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:37,790 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,790 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,790 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:37,793 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 20:45:37,793 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 20:45:37,851 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:37,852 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 [2019-11-15 20:45:37,853 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:37,853 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:37,853 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:37,854 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:37,854 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:37,858 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 20:45:37,858 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 20:45:38,144 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,149 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 [2019-11-15 20:45:38,150 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,150 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,151 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,151 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,151 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,151 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:38,152 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:38,152 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,154 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,154 INFO L470 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-11-15 20:45:38,154 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 6#L14-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 6#L14-2true [2019-11-15 20:45:38,154 INFO L793 eck$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 [2019-11-15 20:45:38,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:45:38,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2019-11-15 20:45:38,155 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:45:38,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500625541] [2019-11-15 20:45:38,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:38,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:38,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:45:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:38,176 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:45:38,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:45:38,177 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2019-11-15 20:45:38,177 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:45:38,177 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537199534] [2019-11-15 20:45:38,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:38,177 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:38,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:45:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:38,182 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:45:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:45:38,182 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2019-11-15 20:45:38,182 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:45:38,183 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801851865] [2019-11-15 20:45:38,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:38,183 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:45:38,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:45:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:45:38,201 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:45:38,219 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:38,219 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:38,219 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:38,219 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:38,220 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:45:38,220 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,220 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:38,220 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:38,220 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-11-15 20:45:38,220 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:38,220 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:38,221 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,301 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:38,301 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:38,309 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:38,310 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 20:45:38,313 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:45:38,313 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_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:38,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:38,320 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:38,341 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:45:38,342 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,374 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:45:38,376 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:38,376 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:38,376 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:38,376 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:38,376 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:45:38,376 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,376 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:38,376 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:38,377 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Loop [2019-11-15 20:45:38,377 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:38,377 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:38,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,450 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:38,451 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:45:38,451 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 [2019-11-15 20:45:38,451 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,451 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,452 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,452 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,452 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,452 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:38,452 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,453 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,453 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 [2019-11-15 20:45:38,454 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,454 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,454 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,454 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,454 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,454 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:38,454 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,456 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 [2019-11-15 20:45:38,456 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,456 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,457 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,457 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,457 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,457 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:38,457 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,457 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,458 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:45:38,458 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 [2019-11-15 20:45:38,458 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,458 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,458 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,458 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,458 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,459 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:38,459 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,459 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 [2019-11-15 20:45:38,460 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,460 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,460 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,460 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,460 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,460 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:38,460 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,465 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,466 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 [2019-11-15 20:45:38,466 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,466 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,467 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,467 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,467 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,467 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:38,467 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,468 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,468 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:45:38,468 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 [2019-11-15 20:45:38,469 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,469 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,469 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,469 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,470 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,470 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,470 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,470 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,471 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 [2019-11-15 20:45:38,471 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,472 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,472 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,472 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,472 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,473 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,473 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,476 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,476 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 [2019-11-15 20:45:38,479 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,479 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,479 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,479 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,479 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,480 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,480 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,480 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,481 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:45:38,481 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 [2019-11-15 20:45:38,481 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,482 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,482 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,482 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,482 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:38,482 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:38,483 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,484 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,485 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 [2019-11-15 20:45:38,486 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,486 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,486 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,487 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,487 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:38,488 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:38,488 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,491 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,494 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 [2019-11-15 20:45:38,495 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,495 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,495 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,496 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,496 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:38,496 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:38,496 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,497 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:45:38,497 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 [2019-11-15 20:45:38,498 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,498 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:38,498 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,498 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,498 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,498 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,499 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:38,499 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,500 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 [2019-11-15 20:45:38,500 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,500 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:38,501 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,501 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,501 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,501 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,502 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:38,502 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,515 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,516 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 [2019-11-15 20:45:38,517 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,517 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:38,517 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,517 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,517 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,517 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,518 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:38,518 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,519 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,519 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:45:38,519 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 [2019-11-15 20:45:38,520 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,520 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:38,520 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,520 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,520 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,521 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,521 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,521 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,522 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,523 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 [2019-11-15 20:45:38,523 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,524 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:38,524 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,524 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,524 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,524 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,525 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,525 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,538 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 [2019-11-15 20:45:38,540 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,540 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:38,540 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,541 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,541 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,541 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,542 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,543 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,547 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,547 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:45:38,547 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 [2019-11-15 20:45:38,548 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,548 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,548 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,549 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,549 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,549 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:38,557 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:38,557 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,558 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 [2019-11-15 20:45:38,559 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,559 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,559 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,559 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,559 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,559 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:38,561 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:38,561 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,580 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,581 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 [2019-11-15 20:45:38,581 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,581 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,582 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,582 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,582 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,582 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:38,586 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:38,586 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,587 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,587 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:45:38,587 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 [2019-11-15 20:45:38,588 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,588 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:38,588 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,588 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,588 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,588 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,589 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,589 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,590 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,590 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 [2019-11-15 20:45:38,591 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,591 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:38,591 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,591 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,591 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,591 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,592 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,592 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,596 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,597 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 [2019-11-15 20:45:38,597 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,598 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:38,598 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,598 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,598 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,598 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:38,599 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:38,599 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,601 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,602 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:45:38,602 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 [2019-11-15 20:45:38,603 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,603 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,603 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,603 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,603 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,603 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:38,604 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:38,604 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,607 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 [2019-11-15 20:45:38,607 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,608 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,608 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,608 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,608 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,608 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:38,609 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:38,610 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,618 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 [2019-11-15 20:45:38,618 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:38,618 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:38,619 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,619 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,619 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,619 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:38,621 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:38,621 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,627 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,648 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:38,649 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:38,649 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:38,649 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:38,649 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 20:45:38,649 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,649 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:38,649 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:38,649 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-11-15 20:45:38,649 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:38,649 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:38,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,727 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:38,727 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:38,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:38,743 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:38,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:45:38,766 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,783 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 20:45:38,783 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_3a955077-9315-4757-844b-19608d2b2783/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 [2019-11-15 20:45:38,797 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 20:45:38,798 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3a955077-9315-4757-844b-19608d2b2783/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) [2019-11-15 20:45:38,862 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 20:45:38,862 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,874 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 20:45:38,876 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 20:45:38,876 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 20:45:38,876 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 20:45:38,876 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 20:45:38,876 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 20:45:38,877 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 20:45:38,877 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 20:45:38,877 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 20:45:38,877 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_1-1.c_Iteration1_Lasso [2019-11-15 20:45:38,877 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 20:45:38,877 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 20:45:38,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 20:45:38,975 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 20:45:38,975 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 20:45:38,975 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 [2019-11-15 20:45:38,976 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,976 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,976 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,976 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,977 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:38,977 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:45:38,983 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,986 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 [2019-11-15 20:45:38,987 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,987 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,987 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,987 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,988 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:38,988 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 20:45:38,993 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,993 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 [2019-11-15 20:45:38,993 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,994 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,994 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,994 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,994 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,994 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:38,995 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,995 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 [2019-11-15 20:45:38,997 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,997 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:38,997 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,997 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,997 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 20:45:38,997 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 20:45:38,997 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:38,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:38,998 INFO L489 LassoAnalysis]: Using template '2-nested'. [2019-11-15 20:45:38,998 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 [2019-11-15 20:45:38,998 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:38,998 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:38,998 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:38,998 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:38,999 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:38,999 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:39,009 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,009 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 [2019-11-15 20:45:39,010 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,010 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,010 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,010 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,011 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:39,012 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:39,019 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,019 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 [2019-11-15 20:45:39,020 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,020 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,020 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,020 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,021 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,021 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:39,021 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,021 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,022 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 [2019-11-15 20:45:39,022 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,022 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,023 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,023 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,023 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,023 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:39,023 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,024 INFO L489 LassoAnalysis]: Using template '3-nested'. [2019-11-15 20:45:39,024 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 [2019-11-15 20:45:39,024 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,025 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,025 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,025 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,027 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:39,027 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:39,054 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,055 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 [2019-11-15 20:45:39,055 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,055 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,055 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,056 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,057 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:39,057 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:39,066 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,066 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 [2019-11-15 20:45:39,067 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,067 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,067 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,067 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,068 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,068 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:39,068 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,068 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,069 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 [2019-11-15 20:45:39,069 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,069 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,070 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,070 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,070 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,070 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:39,070 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,071 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,071 INFO L489 LassoAnalysis]: Using template '4-nested'. [2019-11-15 20:45:39,071 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 [2019-11-15 20:45:39,072 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,072 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,072 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,072 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:39,074 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:39,074 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:39,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,119 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 [2019-11-15 20:45:39,120 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,120 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,120 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,120 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:39,122 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:39,122 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:39,134 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,134 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 [2019-11-15 20:45:39,135 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,135 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,135 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,135 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,136 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:39,136 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:39,136 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,136 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,137 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 [2019-11-15 20:45:39,137 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 20:45:39,137 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,138 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,138 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,138 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:39,138 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:39,138 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,139 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,139 INFO L489 LassoAnalysis]: Using template '2-phase'. [2019-11-15 20:45:39,139 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 [2019-11-15 20:45:39,140 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,140 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:39,140 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,140 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,140 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,142 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:39,142 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:39,220 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,220 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 [2019-11-15 20:45:39,221 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,221 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:39,221 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,221 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,221 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,223 INFO L400 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-11-15 20:45:39,223 INFO L401 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-11-15 20:45:39,243 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,243 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 [2019-11-15 20:45:39,244 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,244 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:39,244 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,244 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,245 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,245 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,245 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:39,245 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,246 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,246 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 [2019-11-15 20:45:39,247 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,247 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:39,247 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,247 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,247 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,247 INFO L204 nArgumentSynthesizer]: 3 template conjuncts. [2019-11-15 20:45:39,248 INFO L400 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-11-15 20:45:39,248 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,248 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,249 INFO L489 LassoAnalysis]: Using template '3-phase'. [2019-11-15 20:45:39,249 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 [2019-11-15 20:45:39,249 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,250 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:39,250 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,250 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,250 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,253 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:39,253 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:39,779 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,779 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 [2019-11-15 20:45:39,780 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,780 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:39,780 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,780 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,780 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,782 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:39,783 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:39,832 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,833 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 [2019-11-15 20:45:39,834 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,834 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:39,834 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,834 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,834 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,834 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,835 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:39,835 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,836 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,837 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 [2019-11-15 20:45:39,837 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,837 INFO L337 nArgumentSynthesizer]: Template has degree 2. [2019-11-15 20:45:39,837 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:39,838 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,838 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,838 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:39,838 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:39,839 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:39,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:39,839 INFO L489 LassoAnalysis]: Using template '4-phase'. [2019-11-15 20:45:39,840 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 [2019-11-15 20:45:39,840 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:39,840 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:39,841 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:39,841 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:39,841 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:39,846 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:39,846 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:41,909 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:41,909 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 [2019-11-15 20:45:41,910 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:41,910 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:41,911 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:41,911 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:41,911 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:41,914 INFO L400 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-11-15 20:45:41,914 INFO L401 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-11-15 20:45:41,962 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:41,963 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 [2019-11-15 20:45:41,964 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:41,964 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:41,964 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:41,964 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:41,964 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:41,965 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:41,965 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:41,966 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:41,966 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:41,966 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 [2019-11-15 20:45:41,967 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:41,967 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:41,967 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:41,968 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:41,968 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:41,968 INFO L204 nArgumentSynthesizer]: 5 template conjuncts. [2019-11-15 20:45:41,969 INFO L400 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-11-15 20:45:41,969 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:41,969 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:41,969 INFO L489 LassoAnalysis]: Using template '2-lex'. [2019-11-15 20:45:41,970 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 [2019-11-15 20:45:41,970 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:41,970 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:41,970 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:41,971 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:41,971 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:41,972 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:41,972 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:42,010 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,010 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 [2019-11-15 20:45:42,011 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,011 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:42,011 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,011 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,011 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:42,013 INFO L400 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-11-15 20:45:42,013 INFO L401 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-15 20:45:42,028 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,029 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 [2019-11-15 20:45:42,029 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,030 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:42,030 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:42,030 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,030 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,030 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:42,031 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:42,031 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:42,032 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,032 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 [2019-11-15 20:45:42,033 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,033 INFO L337 nArgumentSynthesizer]: Template has degree 1. [2019-11-15 20:45:42,033 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:42,033 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,033 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,033 INFO L204 nArgumentSynthesizer]: 4 template conjuncts. [2019-11-15 20:45:42,034 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 20:45:42,034 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:42,035 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,035 INFO L489 LassoAnalysis]: Using template '3-lex'. [2019-11-15 20:45:42,035 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 [2019-11-15 20:45:42,036 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,036 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:42,036 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,036 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,036 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:42,039 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 20:45:42,039 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 20:45:42,213 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,214 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 [2019-11-15 20:45:42,214 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,214 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:42,215 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,215 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,215 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:42,217 INFO L400 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-11-15 20:45:42,217 INFO L401 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-11-15 20:45:42,277 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,277 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 [2019-11-15 20:45:42,278 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,278 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:42,278 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:42,278 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,278 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,278 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:42,279 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:42,279 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:42,282 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,282 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 [2019-11-15 20:45:42,283 WARN L332 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-11-15 20:45:42,283 INFO L337 nArgumentSynthesizer]: Template has degree 3. [2019-11-15 20:45:42,283 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 20:45:42,283 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 20:45:42,283 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 20:45:42,283 INFO L204 nArgumentSynthesizer]: 6 template conjuncts. [2019-11-15 20:45:42,284 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 20:45:42,284 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 20:45:42,285 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 20:45:42,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 08:45:42 BoogieIcfgContainer [2019-11-15 20:45:42,291 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 20:45:42,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:45:42,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:45:42,292 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:45:42,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:45:29" (3/4) ... [2019-11-15 20:45:42,296 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:45:42,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:45:42,298 INFO L168 Benchmark]: Toolchain (without parser) took 13395.11 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 649.1 MB). Free memory was 946.4 MB in the beginning and 1.4 GB in the end (delta: -454.4 MB). Peak memory consumption was 194.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:45:42,298 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:45:42,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:45:42,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:45:42,301 INFO L168 Benchmark]: Boogie Preprocessor took 15.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:45:42,306 INFO L168 Benchmark]: RCFGBuilder took 189.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 20:45:42,306 INFO L168 Benchmark]: BuchiAutomizer took 12858.04 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 466.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -241.9 MB). Peak memory consumption was 649.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:45:42,307 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 1.7 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:45:42,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 182.5 MB). Free memory was 946.4 MB in the beginning and 1.2 GB in the end (delta: -229.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 189.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 12858.04 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 466.6 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -241.9 MB). Peak memory consumption was 649.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.29 ms. Allocated memory is still 1.7 GB. Free memory is still 1.4 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 12.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 12.7s. 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: 178ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~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...